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| <div class="subTitle">org.apache.ignite.ml.tree.randomforest</div> |
| <h2 title="Class RandomForestTrainer" class="title">Class RandomForestTrainer<span class='angle_bracket'><</span>L,S extends <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/impurity/ImpurityComputer.html" title="interface in org.apache.ignite.ml.tree.randomforest.data.impurity">ImpurityComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/impl/bootstrapping/BootstrappedVector.html" title="class in org.apache.ignite.ml.dataset.impl.bootstrapping">BootstrappedVector</a>,S<span class='angle_bracket'>></span>,T extends RandomForestTrainer<span class='angle_bracket'><</span>L,S,T<span class='angle_bracket'>></span><span class='angle_bracket'>></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'><</span>M,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></span></li> |
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| <li><a href="../../../../../../org/apache/ignite/ml/trainers/SingleLabelDatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">org.apache.ignite.ml.trainers.SingleLabelDatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a><span class='angle_bracket'>></span></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.ignite.ml.tree.randomforest.RandomForestTrainer<span class='angle_bracket'><</span>L,S,T<span class='angle_bracket'>></span></li> |
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| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>L</code> - Type of statistics aggregator for leaf values computing.</dd> |
| <dd><code>S</code> - Type of impurity computer specific for algorithm.</dd> |
| <dd><code>T</code> - Type of child of RandomForestTrainer using in with-methods.</dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestClassifierTrainer.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestClassifierTrainer</a>, <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestRegressionTrainer.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestRegressionTrainer</a></dd> |
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| <pre>public abstract class <span class="typeNameLabel">RandomForestTrainer<span class='angle_bracket'><</span>L,S extends <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/impurity/ImpurityComputer.html" title="interface in org.apache.ignite.ml.tree.randomforest.data.impurity">ImpurityComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/impl/bootstrapping/BootstrappedVector.html" title="class in org.apache.ignite.ml.dataset.impl.bootstrapping">BootstrappedVector</a>,S<span class='angle_bracket'>></span>,T extends RandomForestTrainer<span class='angle_bracket'><</span>L,S,T<span class='angle_bracket'>></span><span class='angle_bracket'>></span></span> |
| extends <a href="../../../../../../org/apache/ignite/ml/trainers/SingleLabelDatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">SingleLabelDatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a><span class='angle_bracket'>></span></pre> |
| <div class="block">Class represents a realization of Random Forest algorithm. Main idea of this realization is that at each learning |
| iteration it tries to aggregate statistics on impurity for each corner nodes (leaves that may be splitted on a new |
| iteration) in each trees in random forest. It requires one map-reduce operation over learning dataset. After such |
| aggregation the algorithm selects split points for each corner nodes of create leaf nodes. The algorithm stops when |
| there is no splitting for nodes in trees. At last stage the algorithm aggregates statistics on labels for leaf nodes |
| in one map-reduce step and sets values to leafs based these statistics.</div> |
| </li> |
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| <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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| <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"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#RandomForestTrainer-java.util.List-">RandomForestTrainer</a></span>(<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'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/feature/FeatureMeta.html" title="class in org.apache.ignite.ml.dataset.feature">FeatureMeta</a><span class='angle_bracket'>></span> meta)</code> |
| <div class="block">Create an instance of RandomForestTrainer.</div> |
| </td> |
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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"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#buildComposition-java.util.List-">buildComposition</a></span>(<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'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/RandomForestTreeModel.html" title="class in org.apache.ignite.ml.tree.randomforest.data">RandomForestTreeModel</a><span class='angle_bracket'>></span> models)</code> |
| <div class="block">Returns composition of built trees.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/impurity/ImpurityHistogramsComputer.html" title="class in org.apache.ignite.ml.tree.randomforest.data.impurity">ImpurityHistogramsComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">S</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#createImpurityHistogramsComputer--">createImpurityHistogramsComputer</a></span>()</code> |
| <div class="block">Creates an instance of Histograms Computer corresponding to RF implementation.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/statistics/LeafValuesComputer.html" title="class in org.apache.ignite.ml.tree.randomforest.data.statistics">LeafValuesComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">L</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#createLeafStatisticsAggregator--">createLeafStatisticsAggregator</a></span>()</code> |
| <div class="block">Creates an instance of Leaf Statistics Aggregator corresponding to RF implementation.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.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'><</span>K,V<span class='angle_bracket'>></span> datasetBuilder, |
| <a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> preprocessor)</code> |
| <div class="block">Trains model based on the specified data.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#init-org.apache.ignite.ml.dataset.Dataset-">init</a></span>(<a href="../../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/primitive/context/EmptyContext.html" title="class in org.apache.ignite.ml.dataset.primitive.context">EmptyContext</a>,<a href="../../../../../../org/apache/ignite/ml/dataset/impl/bootstrapping/BootstrappedDatasetPartition.html" title="class in org.apache.ignite.ml.dataset.impl.bootstrapping">BootstrappedDatasetPartition</a><span class='angle_bracket'>></span> dataset)</code> |
| <div class="block">Init-step before learning.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/RandomForestTreeModel.html" title="class in org.apache.ignite.ml.tree.randomforest.data">RandomForestTreeModel</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#initTrees-java.util.Queue-">initTrees</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span> treesQueue)</code> |
| <div class="block">Creates list of trees.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#instance--">instance</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#isUpdateable-org.apache.ignite.ml.tree.randomforest.RandomForestModel-">isUpdateable</a></span>(<a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> mdl)</code></td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected <span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#updateModel-org.apache.ignite.ml.tree.randomforest.RandomForestModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">updateModel</a></span>(<a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> mdl, |
| <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> datasetBuilder, |
| <a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> preprocessor)</code> |
| <div class="block">Gets state of model in arguments, update in according to new data and return new model.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withAmountOfTrees-int-">withAmountOfTrees</a></span>(int amountOfTrees)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withFeaturesCountSelectionStrgy-java.util.function.Function-">withFeaturesCountSelectionStrgy</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'><</span><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'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/feature/FeatureMeta.html" title="class in org.apache.ignite.ml.dataset.feature">FeatureMeta</a><span class='angle_bracket'>></span>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a><span class='angle_bracket'>></span> strgy)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withMaxDepth-int-">withMaxDepth</a></span>(int maxDepth)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withMinImpurityDelta-double-">withMinImpurityDelta</a></span>(double minImpurityDelta)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withNodesToLearnSelectionStrgy-java.util.function.Function-">withNodesToLearnSelectionStrgy</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span>,<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'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> strgy)</code> |
| <div class="block">Sets strategy for selection nodes from learning queue in each iteration.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withSeed-long-">withSeed</a></span>(long seed)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html#withSubSampleSize-double-">withSubSampleSize</a></span>(double subSampleSize)</code> </td> |
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| <h3>Methods inherited from class 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.ml.dataset.DatasetBuilder-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.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>, <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></code></li> |
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| <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> |
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| <h4>RandomForestTrainer</h4> |
| <pre>public RandomForestTrainer(<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'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/feature/FeatureMeta.html" title="class in org.apache.ignite.ml.dataset.feature">FeatureMeta</a><span class='angle_bracket'>></span> meta)</pre> |
| <div class="block">Create an instance of RandomForestTrainer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>meta</code> - Features Meta.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <h3>Method Detail</h3> |
| <a name="fitWithInitializedDeployingContext-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| <h4>fitWithInitializedDeployingContext</h4> |
| <pre>public <span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> fitWithInitializedDeployingContext(<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> datasetBuilder, |
| <a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> 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> in class <code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></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> |
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| <h4>instance</h4> |
| <pre>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> instance()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>withAmountOfTrees</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withAmountOfTrees(int amountOfTrees)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>amountOfTrees</code> - Count of trees.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
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| <h4>withSubSampleSize</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withSubSampleSize(double subSampleSize)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>subSampleSize</code> - Subsample size.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
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| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withMaxDepth(int maxDepth)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>maxDepth</code> - Max depth.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
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| <h4>withMinImpurityDelta</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withMinImpurityDelta(double minImpurityDelta)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>minImpurityDelta</code> - Min impurity delta.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
| </li> |
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| <h4>withFeaturesCountSelectionStrgy</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withFeaturesCountSelectionStrgy(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'><</span><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'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/feature/FeatureMeta.html" title="class in org.apache.ignite.ml.dataset.feature">FeatureMeta</a><span class='angle_bracket'>></span>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a><span class='angle_bracket'>></span> strgy)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>strgy</code> - Strgy.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>withNodesToLearnSelectionStrgy</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withNodesToLearnSelectionStrgy(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span>,<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'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> strgy)</pre> |
| <div class="block">Sets strategy for selection nodes from learning queue in each iteration.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>strgy</code> - Strgy.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="withSeed-long-"> |
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| <h4>withSeed</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">T</a> withSeed(long seed)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>seed</code> - Seed.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an instance of current object with valid type in according to inheritance.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="init-org.apache.ignite.ml.dataset.Dataset-"> |
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| <h4>init</h4> |
| <pre>protected boolean init(<a href="../../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/dataset/primitive/context/EmptyContext.html" title="class in org.apache.ignite.ml.dataset.primitive.context">EmptyContext</a>,<a href="../../../../../../org/apache/ignite/ml/dataset/impl/bootstrapping/BootstrappedDatasetPartition.html" title="class in org.apache.ignite.ml.dataset.impl.bootstrapping">BootstrappedDatasetPartition</a><span class='angle_bracket'>></span> dataset)</pre> |
| <div class="block">Init-step before learning. It may be useful collecting labels statistics step for classification.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataset</code> - Dataset.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isUpdateable-org.apache.ignite.ml.tree.randomforest.RandomForestModel-"> |
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| <h4>isUpdateable</h4> |
| <pre>public boolean isUpdateable(<a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> mdl)</pre> |
| <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> in class <code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></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> |
| </li> |
| </ul> |
| <a name="updateModel-org.apache.ignite.ml.tree.randomforest.RandomForestModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| <h4>updateModel</h4> |
| <pre>protected <span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> updateModel(<a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> mdl, |
| <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> datasetBuilder, |
| <a href="../../../../../../org/apache/ignite/ml/preprocessing/Preprocessor.html" title="interface in org.apache.ignite.ml.preprocessing">Preprocessor</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> preprocessor)</pre> |
| <div class="block">Gets state of model in arguments, update in according to new data and return new model.</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> in class <code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></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> |
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| <a name="createImpurityHistogramsComputer--"> |
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| <h4>createImpurityHistogramsComputer</h4> |
| <pre>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/impurity/ImpurityHistogramsComputer.html" title="class in org.apache.ignite.ml.tree.randomforest.data.impurity">ImpurityHistogramsComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">S</a><span class='angle_bracket'>></span> createImpurityHistogramsComputer()</pre> |
| <div class="block">Creates an instance of Histograms Computer corresponding to RF implementation.</div> |
| </li> |
| </ul> |
| <a name="createLeafStatisticsAggregator--"> |
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| <h4>createLeafStatisticsAggregator</h4> |
| <pre>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/statistics/LeafValuesComputer.html" title="class in org.apache.ignite.ml.tree.randomforest.data.statistics">LeafValuesComputer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestTrainer.html" title="type parameter in RandomForestTrainer">L</a><span class='angle_bracket'>></span> createLeafStatisticsAggregator()</pre> |
| <div class="block">Creates an instance of Leaf Statistics Aggregator corresponding to RF implementation.</div> |
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| <a name="initTrees-java.util.Queue-"> |
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| <h4>initTrees</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/RandomForestTreeModel.html" title="class in org.apache.ignite.ml.tree.randomforest.data">RandomForestTreeModel</a><span class='angle_bracket'>></span> initTrees(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/TreeNode.html" title="class in org.apache.ignite.ml.tree.randomforest.data">TreeNode</a><span class='angle_bracket'>></span> treesQueue)</pre> |
| <div class="block">Creates list of trees.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>treesQueue</code> - Trees queue.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of trees.</dd> |
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| <h4>buildComposition</h4> |
| <pre>protected abstract <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestModel.html" title="class in org.apache.ignite.ml.tree.randomforest">RandomForestModel</a> buildComposition(<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'><</span><a href="../../../../../../org/apache/ignite/ml/tree/randomforest/data/RandomForestTreeModel.html" title="class in org.apache.ignite.ml.tree.randomforest.data">RandomForestTreeModel</a><span class='angle_bracket'>></span> models)</pre> |
| <div class="block">Returns composition of built trees.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>models</code> - Models.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>composition of built trees.</dd> |
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