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<div class="subTitle">org.apache.ignite.ml.nn.trainers.distributed</div>
<h2 title="Class MLPGroupUpdateTrainer" class="title">Class MLPGroupUpdateTrainer&lt;U extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</h2>
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<li><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">org.apache.ignite.ml.trainers.group.MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,U,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,U,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;U&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;U&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;U&gt;,U&gt;</li>
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<ul class="inheritance">
<li>org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainer&lt;U&gt;</li>
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<div class="description">
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<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>U</code> - Type of update.</dd>
</dl>
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../org/apache/ignite/ml/trainers/Trainer.html" title="interface in org.apache.ignite.ml.trainers">Trainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&gt;</dd>
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<pre>public class <span class="typeNameLabel">MLPGroupUpdateTrainer&lt;U extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</span>
extends <a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,U,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,U,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;U&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;U&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;U&gt;,U&gt;</pre>
<div class="block">Update-based distributed training of MLP.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;K&gt;,V&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#cache">cache</a></span></code>
<div class="block">Cache on which training is performed.</div>
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<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#ignite">ignite</a></span></code>
<div class="block">Ignite instance.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#MLPGroupUpdateTrainer-int-int-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.optimization.updatecalculators.ParameterUpdateCalculator-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.Ignite-double-">MLPGroupUpdateTrainer</a></span>(int&nbsp;maxGlobalSteps,
int&nbsp;syncPeriod,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;allUpdatesReducer,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;locStepUpdatesReducer,
<a href="../../../../../../../org/apache/ignite/ml/optimization/updatecalculators/ParameterUpdateCalculator.html" title="interface in org.apache.ignite.ml.optimization.updatecalculators">ParameterUpdateCalculator</a>&lt;? super <a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;updateCalculator,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/math/Vector.html" title="interface in org.apache.ignite.ml.math">Vector</a>,<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteDifferentiableVectorToDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDifferentiableVectorToDoubleFunction</a>&gt;&nbsp;loss,
<a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a>&nbsp;ignite,
double&nbsp;tolerance)</code>
<div class="block">Construct instance of this class with given parameters.</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="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#cleanup-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">cleanup</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</code>
<div class="block">Performs cleanups of temporary objects created by this trainer.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#dataProcessor--">dataProcessor</a></span>()</code>
<div class="block">Get function used to process data in training loop step.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#distributedInitializer-org.apache.ignite.ml.nn.trainers.distributed.AbstractMLPGroupUpdateTrainerInput-">distributedInitializer</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data)</code>
<div class="block">Get function for initialization for each of keys specified in initial key set.</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#extractContextForFinalResultCreation-U-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">extractContextForFinalResultCreation</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;data,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</code>
<div class="block">Extract context for final result creation.</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#finalResultKeys-U-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">finalResultKeys</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;data,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</code>
<div class="block">Keys for final result creation.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/chain/EntryAndContext.html" title="class in org.apache.ignite.ml.trainers.group.chain">EntryAndContext</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#finalResultsExtractor--">finalResultsExtractor</a></span>()</code>
<div class="block">Get function for extracting final result from each key specified in finalResultKeys.</div>
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</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#finalResultsReducer--">finalResultsReducer</a></span>()</code>
<div class="block">Get function for reducing final results.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/optimization/updatecalculators/RPropParameterUpdate.html" title="class in org.apache.ignite.ml.optimization.updatecalculators">RPropParameterUpdate</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#getDefault-org.apache.ignite.Ignite-">getDefault</a></span>(<a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a>&nbsp;ignite)</code>
<div class="block">Get default <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a>.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#init-org.apache.ignite.ml.nn.trainers.distributed.AbstractMLPGroupUpdateTrainerInput-java.util.UUID-">init</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;trainingUUID)</code>
<div class="block">Override in subclasses if needed.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#initialLocalContext-org.apache.ignite.ml.nn.trainers.distributed.AbstractMLPGroupUpdateTrainerInput-java.util.UUID-">initialLocalContext</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;trainingUUID)</code>
<div class="block">Create initial local context from data given as input to trainer.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#keysToProcessInTrainingLoop-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">keysToProcessInTrainingLoop</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</code>
<div class="block">Get supplier of keys which should be processed by training loop.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#mapFinalResult-org.apache.ignite.ml.nn.MultilayerPerceptron-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">mapFinalResult</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&nbsp;res,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</code>
<div class="block">Map final result to model which is returned by trainer.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#remoteContextExtractor-U-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">remoteContextExtractor</a></span>(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;prevUpdate,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;ctx)</code>
<div class="block">Get supplier of context used in training loop step.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>M</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#train-T-">train</a></span>(T&nbsp;data)</code>
<div class="block">Train the model based on provided data.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/chain/EntryAndContext.html" title="class in org.apache.ignite.ml.trainers.group.chain">EntryAndContext</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#trainingLoopStepDataExtractor--">trainingLoopStepDataExtractor</a></span>()</code>
<div class="block">Get function used to map EntryAndContext to type which is processed by dataProcessor.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#withMaxGlobalSteps-int-">withMaxGlobalSteps</a></span>(int&nbsp;maxGlobalSteps)</code>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new maxGlobalSteps value.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#withSyncPeriod-int-">withSyncPeriod</a></span>(int&nbsp;syncPeriod)</code>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new syncPeriod value.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#withTolerance-double-">withTolerance</a></span>(double&nbsp;tolerance)</code>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new tolerance.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>&lt;U1 extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;<br><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;U1&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html#withUpdateStrategy-org.apache.ignite.ml.trainers.group.UpdatesStrategy-">withUpdateStrategy</a></span>(<a href="../../../../../../../org/apache/ignite/ml/trainers/group/UpdatesStrategy.html" title="class in org.apache.ignite.ml.trainers.group">UpdatesStrategy</a>&lt;? super <a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,U1&gt;&nbsp;stgy)</code>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new update strategy.</div>
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<h3>Methods inherited from class&nbsp;org.apache.ignite.ml.trainers.group.<a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a></h3>
<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#locallyProcessInitData-IN-LC-">locallyProcessInitData</a>, <a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#reduceDistributedInitData--">reduceDistributedInitData</a>, <a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#shouldContinue-I-LC-">shouldContinue</a>, <a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#trainingLoopStep--">trainingLoopStep</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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="http://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>Field Detail</h3>
<a name="cache">
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<h4>cache</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;K&gt;,V&gt; cache</pre>
<div class="block">Cache on which training is performed. For example it can be cache of neural networks.</div>
</li>
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<a name="ignite">
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<h4>ignite</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a> ignite</pre>
<div class="block">Ignite instance.</div>
</li>
</ul>
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<h3>Constructor Detail</h3>
<a name="MLPGroupUpdateTrainer-int-int-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.optimization.updatecalculators.ParameterUpdateCalculator-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.Ignite-double-">
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<h4>MLPGroupUpdateTrainer</h4>
<pre>public&nbsp;MLPGroupUpdateTrainer(int&nbsp;maxGlobalSteps,
int&nbsp;syncPeriod,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;allUpdatesReducer,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;locStepUpdatesReducer,
<a href="../../../../../../../org/apache/ignite/ml/optimization/updatecalculators/ParameterUpdateCalculator.html" title="interface in org.apache.ignite.ml.optimization.updatecalculators">ParameterUpdateCalculator</a>&lt;? super <a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;updateCalculator,
<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/math/Vector.html" title="interface in org.apache.ignite.ml.math">Vector</a>,<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteDifferentiableVectorToDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDifferentiableVectorToDoubleFunction</a>&gt;&nbsp;loss,
<a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a>&nbsp;ignite,
double&nbsp;tolerance)</pre>
<div class="block">Construct instance of this class with given parameters.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>loss</code> - Loss function.</dd>
<dd><code>ignite</code> - Ignite instance.</dd>
<dd><code>tolerance</code> - Error tolerance.</dd>
</dl>
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</ul>
</li>
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<h4>getDefault</h4>
<pre>public static&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/optimization/updatecalculators/RPropParameterUpdate.html" title="class in org.apache.ignite.ml.optimization.updatecalculators">RPropParameterUpdate</a>&gt;&nbsp;getDefault(<a href="../../../../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a>&nbsp;ignite)</pre>
<div class="block">Get default <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ignite</code> - Ignite instance.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Default <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a>.</dd>
</dl>
</li>
</ul>
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<h4>init</h4>
<pre>protected&nbsp;void&nbsp;init(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;trainingUUID)</pre>
<div class="block">Override in subclasses if needed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#init-T-java.util.UUID-">init</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></dd>
</dl>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;&nbsp;distributedInitializer(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data)</pre>
<div class="block">Get function for initialization for each of keys specified in initial key set.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - Data given to this trainer as input.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for initialization for each of keys specified in initial key set.</dd>
</dl>
</li>
</ul>
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<h4>trainingLoopStepDataExtractor</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/chain/EntryAndContext.html" title="class in org.apache.ignite.ml.trainers.group.chain">EntryAndContext</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;&nbsp;trainingLoopStepDataExtractor()</pre>
<div class="block">Get function used to map EntryAndContext to type which is processed by dataProcessor.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#trainingLoopStepDataExtractor--">trainingLoopStepDataExtractor</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function used to map EntryAndContext to type which is processed by dataProcessor.</dd>
</dl>
</li>
</ul>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;&gt;&nbsp;keysToProcessInTrainingLoop(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</pre>
<div class="block">Get supplier of keys which should be processed by training loop.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#keysToProcessInTrainingLoop-LC-">keysToProcessInTrainingLoop</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>locCtx</code> - Local text.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Supplier of keys which should be processed by training loop.</dd>
</dl>
</li>
</ul>
<a name="remoteContextExtractor-java.io.Serializable-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;&nbsp;remoteContextExtractor(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;prevUpdate,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;ctx)</pre>
<div class="block">Get supplier of context used in training loop step.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#remoteContextExtractor-I-LC-">remoteContextExtractor</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prevUpdate</code> - Input.</dd>
<dd><code>ctx</code> - Local context.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Supplier of context used in training loop step.</dd>
</dl>
</li>
</ul>
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<h4>dataProcessor</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;&nbsp;dataProcessor()</pre>
<div class="block">Get function used to process data in training loop step.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html#dataProcessor--">dataProcessor</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/group/MetaoptimizerGroupTrainer.html" title="class in org.apache.ignite.ml.trainers.group">MetaoptimizerGroupTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingLoopData.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingLoopData</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a> extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function used to process data in training loop step.</dd>
</dl>
</li>
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<h4>initialLocalContext</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;initialLocalContext(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/AbstractMLPGroupUpdateTrainerInput.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">AbstractMLPGroupUpdateTrainerInput</a>&nbsp;data,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;trainingUUID)</pre>
<div class="block">Create initial local context from data given as input to trainer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - Data given as input to this trainer.</dd>
<dd><code>trainingUUID</code> - UUID of this training.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Initial local context.</dd>
</dl>
</li>
</ul>
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<h4>finalResultKeys</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerCacheKey.html" title="class in org.apache.ignite.ml.trainers.group">GroupTrainerCacheKey</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;&gt;&nbsp;finalResultKeys(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;data,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</pre>
<div class="block">Keys for final result creation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - Data returned from the last training loop step.</dd>
<dd><code>locCtx</code> - Local context.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of keys for final result creation.</dd>
</dl>
</li>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;&nbsp;extractContextForFinalResultCreation(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&nbsp;data,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</pre>
<div class="block">Extract context for final result creation. Each key from the final keys set will be processed with
finalResultsExtractor. While entry data (i.e. key and value) for each key varies, some data can be common for all
processed entries. This data is called context.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - Data returned from last training loop step.</dd>
<dd><code>locCtx</code> - Local context.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Context.</dd>
</dl>
</li>
</ul>
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<h4>finalResultsExtractor</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/trainers/group/chain/EntryAndContext.html" title="class in org.apache.ignite.ml.trainers.group.chain">EntryAndContext</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupTrainingCacheValue.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupTrainingCacheValue</a>,<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainingContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainingContext</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&gt;,<a href="../../../../../../../org/apache/ignite/ml/trainers/group/ResultAndUpdates.html" title="class in org.apache.ignite.ml.trainers.group">ResultAndUpdates</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;&gt;&nbsp;finalResultsExtractor()</pre>
<div class="block">Get function for extracting final result from each key specified in finalResultKeys.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for extracting final result from each key specified in finalResultKeys.</dd>
</dl>
</li>
</ul>
<a name="finalResultsReducer--">
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<h4>finalResultsReducer</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;,<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&gt;&nbsp;finalResultsReducer()</pre>
<div class="block">Get function for reducing final results.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for reducing final results.</dd>
</dl>
</li>
</ul>
<a name="mapFinalResult-org.apache.ignite.ml.nn.MultilayerPerceptron-org.apache.ignite.ml.nn.trainers.distributed.MLPGroupUpdateTrainerLocalContext-">
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<h4>mapFinalResult</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&nbsp;mapFinalResult(<a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>&nbsp;res,
<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</pre>
<div class="block">Map final result to model which is returned by trainer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>res</code> - Final result.</dd>
<dd><code>locCtx</code> - Local context.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Model resulted from training.</dd>
</dl>
</li>
</ul>
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<h4>cleanup</h4>
<pre>protected&nbsp;void&nbsp;cleanup(<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainerLocalContext.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainerLocalContext</a>&nbsp;locCtx)</pre>
<div class="block">Performs cleanups of temporary objects created by this trainer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>locCtx</code> - Local context.</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;withMaxGlobalSteps(int&nbsp;maxGlobalSteps)</pre>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new maxGlobalSteps value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>maxGlobalSteps</code> - New maxGlobalSteps value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>New <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new maxGlobalSteps value.</dd>
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<h4>withSyncPeriod</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;withSyncPeriod(int&nbsp;syncPeriod)</pre>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new syncPeriod value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>syncPeriod</code> - New syncPeriod value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>New <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new syncPeriod value.</dd>
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<h4>withTolerance</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="type parameter in MLPGroupUpdateTrainer">U</a>&gt;&nbsp;withTolerance(double&nbsp;tolerance)</pre>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new tolerance.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tolerance</code> - New tolerance value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>New <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new tolerance value.</dd>
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<h4>withUpdateStrategy</h4>
<pre>public&nbsp;&lt;U1 extends <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;<a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed">MLPGroupUpdateTrainer</a>&lt;U1&gt;&nbsp;withUpdateStrategy(<a href="../../../../../../../org/apache/ignite/ml/trainers/group/UpdatesStrategy.html" title="class in org.apache.ignite.ml.trainers.group">UpdatesStrategy</a>&lt;? super <a href="../../../../../../../org/apache/ignite/ml/nn/MultilayerPerceptron.html" title="class in org.apache.ignite.ml.nn">MultilayerPerceptron</a>,U1&gt;&nbsp;stgy)</pre>
<div class="block">Create new <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new update strategy.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>stgy</code> - New update strategy.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>New <a href="../../../../../../../org/apache/ignite/ml/nn/trainers/distributed/MLPGroupUpdateTrainer.html" title="class in org.apache.ignite.ml.nn.trainers.distributed"><code>MLPGroupUpdateTrainer</code></a> with new tolerance value.</dd>
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<pre>public final&nbsp;M&nbsp;train(T&nbsp;data)</pre>
<div class="block">Train the model based on provided data.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/ignite/ml/trainers/Trainer.html#train-T-">train</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/ignite/ml/trainers/Trainer.html" title="interface in org.apache.ignite.ml.trainers">Trainer</a>&lt;M extends <a href="../../../../../../../org/apache/ignite/ml/Model.html" title="interface in org.apache.ignite.ml">Model</a>,T extends <a href="../../../../../../../org/apache/ignite/ml/trainers/group/GroupTrainerInput.html" title="interface in org.apache.ignite.ml.trainers.group">GroupTrainerInput</a>&lt;K&gt;&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - Data for training.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Trained model.</dd>
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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>2018 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 Fabric</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.4.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; March 5 2018 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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