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| <h2 title="Class GDBTrainer" class="title">Class GDBTrainer</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><a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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></li> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBBinaryClassifierTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBBinaryClassifierTrainer</a>, <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBRegressionTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBRegressionTrainer</a></dd> |
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| <pre>public abstract class <span class="typeNameLabel">GDBTrainer</span> |
| extends <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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></pre> |
| <div class="block">Abstract Gradient Boosting trainer. It implements gradient descent in functional space using user-selected regressor |
| in child class. Each learning iteration the trainer evaluate gradient of error-function and fit regression model to |
| it. After learning step the model is used in models composition of regressions with weight equal to gradient descent |
| step. |
| |
| These classes can be used as regressor trainers: <a href="../../../../../../org/apache/ignite/ml/tree/DecisionTreeRegressionTrainer.html" title="class in org.apache.ignite.ml.tree"><code>DecisionTreeRegressionTrainer</code></a>, <a href="../../../../../../org/apache/ignite/ml/knn/regression/KNNRegressionTrainer.html" title="class in org.apache.ignite.ml.knn.regression"><code>KNNRegressionTrainer</code></a>, |
| <a href="../../../../../../org/apache/ignite/ml/regressions/linear/LinearRegressionLSQRTrainer.html" title="class in org.apache.ignite.ml.regressions.linear"><code>LinearRegressionLSQRTrainer</code></a>, <a href="../../../../../../org/apache/ignite/ml/tree/randomforest/RandomForestRegressionTrainer.html" title="class in org.apache.ignite.ml.tree.randomforest"><code>RandomForestRegressionTrainer</code></a>, <a href="../../../../../../org/apache/ignite/ml/regressions/linear/LinearRegressionSGDTrainer.html" title="class in org.apache.ignite.ml.regressions.linear"><code>LinearRegressionSGDTrainer</code></a>. |
| |
| But in practice Decision Trees is most used regressors (see: <a href="../../../../../../org/apache/ignite/ml/tree/DecisionTreeRegressionTrainer.html" title="class in org.apache.ignite.ml.tree"><code>DecisionTreeRegressionTrainer</code></a>).</div> |
| </li> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a></span></code> |
| <div class="block">GDB model.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Nested classes/interfaces 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.EmptyDatasetException.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer.EmptyDatasetException</a></code></li> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/ignite/ml/composition/boosting/convergence/ConvergenceCheckerFactory.html" title="class in org.apache.ignite.ml.composition.boosting.convergence">ConvergenceCheckerFactory</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#checkConvergenceStgyFactory">checkConvergenceStgyFactory</a></span></code> |
| <div class="block">Check convergence strategy factory.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/ignite/ml/composition/boosting/loss/Loss.html" title="interface in org.apache.ignite.ml.composition.boosting.loss">Loss</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#loss">loss</a></span></code> |
| <div class="block">Loss function.</div> |
| </td> |
| </tr> |
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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/composition/boosting/GDBTrainer.html#GDBTrainer-double-java.lang.Integer-org.apache.ignite.ml.composition.boosting.loss.Loss-">GDBTrainer</a></span>(double gradStepSize, |
| <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> cntOfIterations, |
| <a href="../../../../../../org/apache/ignite/ml/composition/boosting/loss/Loss.html" title="interface in org.apache.ignite.ml.composition.boosting.loss">Loss</a> loss)</code> |
| <div class="block">Constructs GDBTrainer instance.</div> |
| </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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 @NotNull <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span>? extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="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>,<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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#buildBaseModelTrainer--">buildBaseModelTrainer</a></span>()</code> |
| <div class="block">Returns regressor model trainer for one step of GDB.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <span class='angle_bracket'><</span>V,K,C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a><span class='angle_bracket'>></span><br><a href="../../../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a><span class='angle_bracket'><</span><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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#computeInitialValue-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">computeInitialValue</a></span>(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a> envBuilder, |
| <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> builder, |
| <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">Compute mean value of label as first approximation.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected abstract double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#externalLabelToInternal-double-">externalLabelToInternal</a></span>(double lbl)</code> |
| <div class="block">Maps external representation of label to internal.</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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.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 <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#getLearningStrategy--">getLearningStrategy</a></span>()</code> |
| <div class="block">Returns learning strategy.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected abstract double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#internalLabelToExternal-double-">internalLabelToExternal</a></span>(double lbl)</code> |
| <div class="block">Maps internal representation of label to external.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#isUpdateable-org.apache.ignite.ml.composition.ModelsComposition-">isUpdateable</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</a> mdl)</code></td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>protected abstract <span class='angle_bracket'><</span>V,K<span class='angle_bracket'>></span> boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#learnLabels-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">learnLabels</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> builder, |
| <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">Defines unique labels in dataset if need (useful in case of classification).</div> |
| </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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#updateModel-org.apache.ignite.ml.composition.ModelsComposition-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">updateModel</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#withCheckConvergenceStgyFactory-org.apache.ignite.ml.composition.boosting.convergence.ConvergenceCheckerFactory-">withCheckConvergenceStgyFactory</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/convergence/ConvergenceCheckerFactory.html" title="class in org.apache.ignite.ml.composition.boosting.convergence">ConvergenceCheckerFactory</a> factory)</code> |
| <div class="block">Sets CheckConvergenceStgyFactory.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></span>(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a> envBuilder)</code> |
| <div class="block">Changes learning Environment.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.ignite.ml.trainers.DatasetTrainer"> |
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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></code></li> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| </div> |
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| <h3>Field Detail</h3> |
| <a name="loss"> |
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| <h4>loss</h4> |
| <pre>protected final <a href="../../../../../../org/apache/ignite/ml/composition/boosting/loss/Loss.html" title="interface in org.apache.ignite.ml.composition.boosting.loss">Loss</a> loss</pre> |
| <div class="block">Loss function.</div> |
| </li> |
| </ul> |
| <a name="checkConvergenceStgyFactory"> |
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| <h4>checkConvergenceStgyFactory</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/composition/boosting/convergence/ConvergenceCheckerFactory.html" title="class in org.apache.ignite.ml.composition.boosting.convergence">ConvergenceCheckerFactory</a> checkConvergenceStgyFactory</pre> |
| <div class="block">Check convergence strategy factory.</div> |
| </li> |
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| <h3>Constructor Detail</h3> |
| <a name="GDBTrainer-double-java.lang.Integer-org.apache.ignite.ml.composition.boosting.loss.Loss-"> |
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| <h4>GDBTrainer</h4> |
| <pre>public GDBTrainer(double gradStepSize, |
| <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> cntOfIterations, |
| <a href="../../../../../../org/apache/ignite/ml/composition/boosting/loss/Loss.html" title="interface in org.apache.ignite.ml.composition.boosting.loss">Loss</a> loss)</pre> |
| <div class="block">Constructs GDBTrainer instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>gradStepSize</code> - Grad step size.</dd> |
| <dd><code>cntOfIterations</code> - Count of learning iterations.</dd> |
| <dd><code>loss</code> - Gradient of loss function. First argument is sample size, second argument is valid answer third |
| argument is current model prediction.</dd> |
| </dl> |
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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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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> |
| <a name="updateModel-org.apache.ignite.ml.composition.ModelsComposition-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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</a> updateModel(<a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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> |
| </ul> |
| <a name="isUpdateable-org.apache.ignite.ml.composition.ModelsComposition-"> |
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| <h4>isUpdateable</h4> |
| <pre>public boolean isUpdateable(<a href="../../../../../../org/apache/ignite/ml/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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="withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-"> |
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| </a> |
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| <h4>withEnvironmentBuilder</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a> withEnvironmentBuilder(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a> envBuilder)</pre> |
| <div class="block">Changes learning Environment.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></code> 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/composition/ModelsComposition.html" title="class in org.apache.ignite.ml.composition">ModelsComposition</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>envBuilder</code> - Learning environment builder.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="learnLabels-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| <h4>learnLabels</h4> |
| <pre>protected abstract <span class='angle_bracket'><</span>V,K<span class='angle_bracket'>></span> boolean learnLabels(<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> builder, |
| <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">Defines unique labels in dataset if need (useful in case of classification).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>builder</code> - Dataset builder.</dd> |
| <dd><code>preprocessor</code> - Upstream preprocessor.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if labels learning was successful.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="buildBaseModelTrainer--"> |
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| <h4>buildBaseModelTrainer</h4> |
| <pre>@NotNull |
| protected abstract @NotNull <a href="../../../../../../org/apache/ignite/ml/trainers/DatasetTrainer.html" title="class in org.apache.ignite.ml.trainers">DatasetTrainer</a><span class='angle_bracket'><</span>? extends <a href="../../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="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>,<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> buildBaseModelTrainer()</pre> |
| <div class="block">Returns regressor model trainer for one step of GDB.</div> |
| </li> |
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| <h4>externalLabelToInternal</h4> |
| <pre>protected abstract double externalLabelToInternal(double lbl)</pre> |
| <div class="block">Maps external representation of label to internal.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>lbl</code> - Label value.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>internalLabelToExternal</h4> |
| <pre>protected abstract double internalLabelToExternal(double lbl)</pre> |
| <div class="block">Maps internal representation of label to external.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>lbl</code> - Label value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeInitialValue-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| <h4>computeInitialValue</h4> |
| <pre>protected <span class='angle_bracket'><</span>V,K,C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a><span class='angle_bracket'>></span> <a href="../../../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a><span class='angle_bracket'><</span><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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a><span class='angle_bracket'>></span> computeInitialValue(<a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a> envBuilder, |
| <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> builder, |
| <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">Compute mean value of label as first approximation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>builder</code> - Dataset builder.</dd> |
| <dd><code>envBuilder</code> - Learning environment builder.</dd> |
| <dd><code>preprocessor</code> - Vectorizer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="withCheckConvergenceStgyFactory-org.apache.ignite.ml.composition.boosting.convergence.ConvergenceCheckerFactory-"> |
| <!-- --> |
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| <ul class="blockList"> |
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| <h4>withCheckConvergenceStgyFactory</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a> withCheckConvergenceStgyFactory(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/convergence/ConvergenceCheckerFactory.html" title="class in org.apache.ignite.ml.composition.boosting.convergence">ConvergenceCheckerFactory</a> factory)</pre> |
| <div class="block">Sets CheckConvergenceStgyFactory.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>factory</code> - Factory.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Trainer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getLearningStrategy--"> |
| <!-- --> |
| </a> |
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| <h4>getLearningStrategy</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> getLearningStrategy()</pre> |
| <div class="block">Returns learning strategy.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Learning strategy.</dd> |
| </dl> |
| </li> |
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