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<div class="subTitle">org.apache.ignite.ml.composition.stacking</div>
<h2 title="Class StackedDatasetTrainer" class="title">Class StackedDatasetTrainer<span class='angle_bracket'>&lt;</span>IS,IA,O,AM extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span>IA,O<span class='angle_bracket'>&gt;</span>,L<span class='angle_bracket'>&gt;</span></h2>
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<li><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">org.apache.ignite.ml.trainers.DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span>IS,IA,O,AM<span class='angle_bracket'>&gt;</span>,L<span class='angle_bracket'>&gt;</span></li>
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<ul class="inheritance">
<li>org.apache.ignite.ml.composition.stacking.StackedDatasetTrainer<span class='angle_bracket'>&lt;</span>IS,IA,O,AM,L<span class='angle_bracket'>&gt;</span></li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>IS</code> - Type of submodels input.</dd>
<dd><code>IA</code> - Type of aggregator input.</dd>
<dd><code>O</code> - Type of aggregator output.</dd>
<dd><code>L</code> - Type of labels.</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/ignite/ml/composition/stacking/SimpleStackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">SimpleStackedDatasetTrainer</a></dd>
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<pre>public class <span class="typeNameLabel">StackedDatasetTrainer<span class='angle_bracket'>&lt;</span>IS,IA,O,AM extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span>IA,O<span class='angle_bracket'>&gt;</span>,L<span class='angle_bracket'>&gt;</span></span>
extends <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span>IS,IA,O,AM<span class='angle_bracket'>&gt;</span>,L<span class='angle_bracket'>&gt;</span></pre>
<div class="block"><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers"><code>DatasetTrainer</code></a> encapsulating stacking technique for model training.
Model produced by this trainer consists of two layers. First layer is a model <code>IS -<span class='angle_bracket'>&gt;</span> IA</code>.
This layer is a "parallel" composition of several "submodels", each of them itself is a model
<code>IS -<span class='angle_bracket'>&gt;</span> IA</code> with their outputs <code>[IA]</code> merged into single <code>IA</code>.
Second layer is an aggregator model <code>IA -<span class='angle_bracket'>&gt;</span> O</code>.
Training corresponds to this layered structure in the following way:
<pre>
1. train models of first layer;
2. train aggregator model on dataset augmented with outputs of first layer models converted to vectors.
</pre>
During second step we can choose if we want to keep original features along with converted outputs of first layer
models or use only converted results of first layer models. This choice will also affect inference.
This class is a most general stacked trainer, there is a <a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedVectorDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking"><code>StackedVectorDatasetTrainer</code></a>: a shortcut version of
it with some types and functions specified.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.ignite.ml.trainers.<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a></h3>
<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.EmptyDatasetException.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer.EmptyDatasetException</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.ignite.ml.trainers.<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a></h3>
<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#envBuilder">envBuilder</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#environment">environment</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#StackedDatasetTrainer--">StackedDatasetTrainer</a></span>()</code>
<div class="block">Constructs instance of this class.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#StackedDatasetTrainer-org.apache.ignite.ml.trainers.DatasetTrainer-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-org.apache.ignite.ml.math.functions.IgniteFunction-">StackedDatasetTrainer</a></span>(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatingInputMerger,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter)</code>
<div class="block">Constructs instance of this class.</div>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#StackedDatasetTrainer-org.apache.ignite.ml.trainers.DatasetTrainer-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-org.apache.ignite.ml.math.functions.IgniteFunction-java.util.List-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteFunction-">StackedDatasetTrainer</a></span>(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatingInputMerger,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;submodelsTrainers,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a><span class='angle_bracket'>&gt;</span>&nbsp;vector2SubmodelInputConverter,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelOutput2VectorConverter)</code>
<div class="block">Create instance of this class.</div>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>M1 extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span><br><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#addTrainer-org.apache.ignite.ml.trainers.DatasetTrainer-">addTrainer</a></span>(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span>M1,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;trainer)</code>
<div class="block">Adds submodel trainer along with converters needed on training and inference stages.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#fitWithInitializedDeployingContext-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">fitWithInitializedDeployingContext</a></span>(<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</code>
<div class="block">Trains model based on the specified data.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#isUpdateable-org.apache.ignite.ml.composition.stacking.StackedModel-">isUpdateable</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl)</code>
<div class="block">This method is never called, instead of constructing logic of update from
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#isUpdateable-M-"><code>DatasetTrainer.isUpdateable(M)</code></a> and
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#updateModel-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"><code>DatasetTrainer.updateModel(M, org.apache.ignite.ml.dataset.DatasetBuilder<span class='angle_bracket'>&lt;</span>K, V<span class='angle_bracket'>&gt;</span>, org.apache.ignite.ml.preprocessing.Preprocessor<span class='angle_bracket'>&lt;</span>K, V<span class='angle_bracket'>&gt;</span>)</code></a>
in this class we explicitly override update method.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#update-org.apache.ignite.ml.composition.stacking.StackedModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl,
<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</code>
<div class="block">Gets state of model in arguments, compare it with training parameters of trainer and if they are fit then trainer
updates model in according to new data and return new model.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#updateModel-org.apache.ignite.ml.composition.stacking.StackedModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">updateModel</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl,
<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</code>
<div class="block">This method is never called, instead of constructing logic of update from
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#isUpdateable-M-"><code>DatasetTrainer.isUpdateable(IgniteModel)</code></a> and
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#updateModel-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"><code>DatasetTrainer.updateModel(IgniteModel, DatasetBuilder, Preprocessor)</code></a>
in this class we explicitly override update method.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withAggregatorInputMerger-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-">withAggregatorInputMerger</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;merger)</code>
<div class="block">Specify binary operator used to merge submodels outputs to one.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withAggregatorTrainer-org.apache.ignite.ml.trainers.DatasetTrainer-">withAggregatorTrainer</a></span>(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer)</code>
<div class="block">Specify aggregator trainer.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></span>(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a>&nbsp;envBuilder)</code>
<div class="block">Changes learning Environment.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withOriginalFeaturesDropped--">withOriginalFeaturesDropped</a></span>()</code>
<div class="block">Drop original features during training and inference.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withOriginalFeaturesKept-org.apache.ignite.ml.math.functions.IgniteFunction-">withOriginalFeaturesKept</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter)</code>
<div class="block">Keep original features during training and propagate submodels input to aggregator during inference
using given function.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withSubmodelOutput2VectorConverter-org.apache.ignite.ml.math.functions.IgniteFunction-">withSubmodelOutput2VectorConverter</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelOutput2VectorConverter)</code>
<div class="block">Set function used for conversion of submodel output to <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a>.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html#withVector2SubmodelInputConverter-org.apache.ignite.ml.math.functions.IgniteFunction-">withVector2SubmodelInputConverter</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a><span class='angle_bracket'>&gt;</span>&nbsp;vector2SubmodelInputConverter)</code>
<div class="block">Set function used for conversion of <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a> to submodel input.</div>
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<h3>Methods inherited from class&nbsp;org.apache.ignite.ml.trainers.<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a></h3>
<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-org.apache.ignite.ml.environment.LearningEnvironment-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-org.apache.ignite.Ignite-org.apache.ignite.IgniteCache-org.apache.ignite.lang.IgniteBiPredicate-org.apache.ignite.ml.preprocessing.Preprocessor-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-org.apache.ignite.Ignite-org.apache.ignite.IgniteCache-org.apache.ignite.ml.preprocessing.Preprocessor-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-java.util.Map-org.apache.ignite.lang.IgniteBiPredicate-int-org.apache.ignite.ml.preprocessing.Preprocessor-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fit-java.util.Map-int-org.apache.ignite.ml.preprocessing.Preprocessor-">fit</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#getLastTrainedModelOrThrowEmptyDatasetException-M-">getLastTrainedModelOrThrowEmptyDatasetException</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#identityTrainer--">identityTrainer</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#learningEnvironment--">learningEnvironment</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#update-M-org.apache.ignite.Ignite-org.apache.ignite.IgniteCache-org.apache.ignite.lang.IgniteBiPredicate-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#update-M-org.apache.ignite.Ignite-org.apache.ignite.IgniteCache-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#update-M-java.util.Map-org.apache.ignite.lang.IgniteBiPredicate-int-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#update-M-java.util.Map-int-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#withConvertedLabels-org.apache.ignite.ml.math.functions.IgniteFunction-">withConvertedLabels</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
<a name="StackedDatasetTrainer-org.apache.ignite.ml.trainers.DatasetTrainer-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-org.apache.ignite.ml.math.functions.IgniteFunction-java.util.List-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteFunction-">
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<h4>StackedDatasetTrainer</h4>
<pre>public&nbsp;StackedDatasetTrainer(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatingInputMerger,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;submodelsTrainers,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a><span class='angle_bracket'>&gt;</span>&nbsp;vector2SubmodelInputConverter,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelOutput2VectorConverter)</pre>
<div class="block">Create instance of this class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>aggregatorTrainer</code> - Trainer of model used for aggregation of results of submodels.</dd>
<dd><code>aggregatingInputMerger</code> - Binary operator used to merge outputs of submodels into one output passed to
aggregator model.</dd>
<dd><code>submodelInput2AggregatingInputConverter</code> - Function used to convert input of submodel to output of submodel
this function is used if user chooses to keep original features.</dd>
<dd><code>submodelsTrainers</code> - List of submodel trainers.</dd>
</dl>
</li>
</ul>
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<h4>StackedDatasetTrainer</h4>
<pre>public&nbsp;StackedDatasetTrainer(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatingInputMerger,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter)</pre>
<div class="block">Constructs instance of this class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>aggregatorTrainer</code> - Trainer of model used for aggregation of results of submodels.</dd>
<dd><code>aggregatingInputMerger</code> - Binary operator used to merge outputs of submodels into one output passed to
aggregator model.</dd>
<dd><code>submodelInput2AggregatingInputConverter</code> - Function used to convert input of submodel to output of submodel
this function is used if user chooses to keep original features.</dd>
</dl>
</li>
</ul>
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<h4>StackedDatasetTrainer</h4>
<pre>public&nbsp;StackedDatasetTrainer()</pre>
<div class="block">Constructs instance of this class.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withOriginalFeaturesKept(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelInput2AggregatingInputConverter)</pre>
<div class="block">Keep original features during training and propagate submodels input to aggregator during inference
using given function.
Note that if this object is on, training will be done on vector obtaining from
concatenating features passed to submodels trainers and outputs of submodels converted to vectors, this can,
for example influence aggregator model input vector dimension (if <code>IS = Vector</code>), or, more generally,
some <code>IS</code> parameters which are not reflected just by its type. So converter should be
written accordingly.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>submodelInput2AggregatingInputConverter</code> - Function used to propagate submodels input to aggregator.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withOriginalFeaturesDropped()</pre>
<div class="block">Drop original features during training and inference.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withSubmodelOutput2VectorConverter(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;submodelOutput2VectorConverter)</pre>
<div class="block">Set function used for conversion of submodel output to <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a>. This function is used during
building of dataset for training aggregator model. This dataset is augmented with results of submodels
converted to <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>submodelOutput2VectorConverter</code> - Function used for conversion of submodel output to <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withVector2SubmodelInputConverter(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a><span class='angle_bracket'>&gt;</span>&nbsp;vector2SubmodelInputConverter)</pre>
<div class="block">Set function used for conversion of <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a> to submodel input. This function is used during
building of dataset for training aggregator model. This dataset is augmented with results of submodels
applied to <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a>s in original dataset.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vector2SubmodelInputConverter</code> - Function used for conversion of <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a> to submodel input.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withAggregatorTrainer(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;aggregatorTrainer)</pre>
<div class="block">Specify aggregator trainer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>aggregatorTrainer</code> - Aggregator trainer.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withAggregatorInputMerger(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span>&nbsp;merger)</pre>
<div class="block">Specify binary operator used to merge submodels outputs to one.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>merger</code> - Binary operator used to merge submodels outputs to one.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
</dl>
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<h4>addTrainer</h4>
<pre>public&nbsp;<span class='angle_bracket'>&lt;</span>M1 extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;addTrainer(<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span>M1,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;trainer)</pre>
<div class="block">Adds submodel trainer along with converters needed on training and inference stages.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trainer</code> - Submodel trainer.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This object.</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;fitWithInitializedDeployingContext(<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</pre>
<div class="block">Trains model based on the specified data.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#fitWithInitializedDeployingContext-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">fitWithInitializedDeployingContext</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a> extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - Type of a key in <code>upstream</code> data.</dd>
<dd><code>V</code> - Type of a value in <code>upstream</code> data.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetBuilder</code> - Dataset builder.</dd>
<dd><code>preprocessor</code> - Extractor of <a href="../../../../../../org/apache/ignite/ml/dataset/UpstreamEntry.html" title="class in org.apache.ignite.ml.dataset"><code>UpstreamEntry</code></a> into <a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures"><code>LabeledVector</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Model.</dd>
</dl>
</li>
</ul>
<a name="update-org.apache.ignite.ml.composition.stacking.StackedModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">
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<h4>update</h4>
<pre>public&nbsp;<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;update(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl,
<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</pre>
<div class="block">Gets state of model in arguments, compare it with training parameters of trainer and if they are fit then trainer
updates model in according to new data and return new model. In other case trains new model.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#update-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a> extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - Type of a key in <code>upstream</code> data.</dd>
<dd><code>V</code> - Type of a value in <code>upstream</code> data.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mdl</code> - Learned model.</dd>
<dd><code>datasetBuilder</code> - Dataset builder.</dd>
<dd><code>preprocessor</code> - Extractor of <a href="../../../../../../org/apache/ignite/ml/dataset/UpstreamEntry.html" title="class in org.apache.ignite.ml.dataset"><code>UpstreamEntry</code></a> into <a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures"><code>LabeledVector</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Updated model.</dd>
</dl>
</li>
</ul>
<a name="withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">
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<h4>withEnvironmentBuilder</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="class in org.apache.ignite.ml.composition.stacking">StackedDatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span>&nbsp;withEnvironmentBuilder(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a>&nbsp;envBuilder)</pre>
<div class="block">Changes learning Environment.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a> extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>envBuilder</code> - Learning environment builder.</dd>
</dl>
</li>
</ul>
<a name="updateModel-org.apache.ignite.ml.composition.stacking.StackedModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">
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<h4>updateModel</h4>
<pre>protected&nbsp;<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;updateModel(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl,
<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;datasetBuilder,
<a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span>&nbsp;preprocessor)</pre>
<div class="block">This method is never called, instead of constructing logic of update from
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#isUpdateable-M-"><code>DatasetTrainer.isUpdateable(IgniteModel)</code></a> and
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#updateModel-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"><code>DatasetTrainer.updateModel(IgniteModel, DatasetBuilder, Preprocessor)</code></a>
in this class we explicitly override update method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#updateModel-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">updateModel</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a> extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - Type of a key in <code>upstream</code> data.</dd>
<dd><code>V</code> - Type of a value in <code>upstream</code> data.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mdl</code> - Model.</dd>
<dd><code>datasetBuilder</code> - Dataset builder.</dd>
<dd><code>preprocessor</code> - Extractor of <a href="../../../../../../org/apache/ignite/ml/dataset/UpstreamEntry.html" title="class in org.apache.ignite.ml.dataset"><code>UpstreamEntry</code></a> into <a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures"><code>LabeledVector</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Updated model.</dd>
</dl>
</li>
</ul>
<a name="isUpdateable-org.apache.ignite.ml.composition.stacking.StackedModel-">
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<h4>isUpdateable</h4>
<pre>public&nbsp;boolean&nbsp;isUpdateable(<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a><span class='angle_bracket'>&gt;</span>&nbsp;mdl)</pre>
<div class="block">This method is never called, instead of constructing logic of update from
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#isUpdateable-M-"><code>DatasetTrainer.isUpdateable(M)</code></a> and
<a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#updateModel-M-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"><code>DatasetTrainer.updateModel(M, org.apache.ignite.ml.dataset.DatasetBuilder<span class='angle_bracket'>&lt;</span>K, V<span class='angle_bracket'>&gt;</span>, org.apache.ignite.ml.preprocessing.Preprocessor<span class='angle_bracket'>&lt;</span>K, V<span class='angle_bracket'>&gt;</span>)</code></a>
in this class we explicitly override update method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#isUpdateable-M-">isUpdateable</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedModel.html" title="class in org.apache.ignite.ml.composition.stacking">StackedModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IS</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">AM</a> extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">IA</a>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">O</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>,<a href="../../../../../../org/apache/ignite/ml/composition/stacking/StackedDatasetTrainer.html" title="type parameter in StackedDatasetTrainer">L</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mdl</code> - Model.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if current critical for training parameters correspond to parameters from last training.</dd>
</dl>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2021 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.11.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; September 11 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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