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| <div class="subTitle">org.apache.ignite.ml.composition.boosting</div> |
| <h2 title="Class GDBLearningStrategy" class="title">Class GDBLearningStrategy</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.ignite.ml.composition.boosting.GDBLearningStrategy</li> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/ml/tree/boosting/GDBOnTreesLearningStrategy.html" title="class in org.apache.ignite.ml.tree.boosting">GDBOnTreesLearningStrategy</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">GDBLearningStrategy</span> |
| extends <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></pre> |
| <div class="block">Learning strategy for gradient boosting.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <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/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'><</span><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><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#baseMdlTrainerBuilder">baseMdlTrainerBuilder</a></span></code> |
| <div class="block">Base model trainer builder.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <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/GDBLearningStrategy.html#checkConvergenceStgyFactory">checkConvergenceStgyFactory</a></span></code> |
| <div class="block">Check convergence strategy factory.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#cntOfIterations">cntOfIterations</a></span></code> |
| <div class="block">Count of iterations.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected double[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#compositionWeights">compositionWeights</a></span></code> |
| <div class="block">Composition weights.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#envBuilder">envBuilder</a></span></code> |
| <div class="block">Learning environment builder.</div> |
| </td> |
| </tr> |
| <tr 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><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/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/GDBLearningStrategy.html#externalLbToInternalMapping">externalLbToInternalMapping</a></span></code> |
| <div class="block">External label to internal mapping.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/GDBLearningStrategy.html#loss">loss</a></span></code> |
| <div class="block">Loss of gradient.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#meanLbVal">meanLbVal</a></span></code> |
| <div class="block">Mean label value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#sampleSize">sampleSize</a></span></code> |
| <div class="block">Sample size.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#trainerEnvironment">trainerEnvironment</a></span></code> |
| <div class="block">Learning environment used for trainer.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <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/GDBLearningStrategy.html#GDBLearningStrategy--">GDBLearningStrategy</a></span>()</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <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="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>double[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#getCompositionWeights--">getCompositionWeights</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#getMeanValue--">getMeanValue</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected @NotNull <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/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><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#initLearningState-org.apache.ignite.ml.composition.boosting.GDBTrainer.GDBModel-">initLearningState</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a> mdlToUpdate)</code> |
| <div class="block">Restores state of already learned model if can and sets learning parameters according to this state.</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="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/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><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#learnModels-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">learnModels</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">Implementation of gradient boosting iterations.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>K,V<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/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><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html#update-org.apache.ignite.ml.composition.boosting.GDBTrainer.GDBModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-">update</a></span>(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a> mdlToUpdate, |
| <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, compare it with training parameters of trainer and if they are fit then trainer |
| updates model in according to new data and return new model.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withBaseModelTrainerBuilder-org.apache.ignite.ml.math.functions.IgniteSupplier-">withBaseModelTrainerBuilder</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'><</span><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><span class='angle_bracket'>></span> buildBaseMdlTrainer)</code> |
| <div class="block">Sets base model builder.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.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="i7" class="rowColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withCntOfIterations-int-">withCntOfIterations</a></span>(int cntOfIterations)</code> |
| <div class="block">Sets count of iterations.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withCompositionWeights-double:A-">withCompositionWeights</a></span>(double[] compositionWeights)</code> |
| <div class="block">Sets composition weights vector.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withDefaultGradStepSize-double-">withDefaultGradStepSize</a></span>(double defaultGradStepSize)</code> |
| <div class="block">Sets default gradient step size.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.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">Sets learning environment.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withExternalLabelToInternal-org.apache.ignite.ml.math.functions.IgniteFunction-">withExternalLabelToInternal</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</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/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></span> externalLbToInternal)</code> |
| <div class="block">Sets external to internal label representation mapping.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withLossGradient-org.apache.ignite.ml.composition.boosting.loss.Loss-">withLossGradient</a></span>(<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">Loss function.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withMeanLabelValue-double-">withMeanLabelValue</a></span>(double meanLbVal)</code> |
| <div class="block">Sets mean label value.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><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/GDBLearningStrategy.html#withSampleSize-long-">withSampleSize</a></span>(long sampleSize)</code> |
| <div class="block">Sets sample size.</div> |
| </td> |
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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> |
| </ul> |
| </li> |
| </ul> |
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| </div> |
| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a name="envBuilder"> |
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| </a> |
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| <h4>envBuilder</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironmentBuilder.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironmentBuilder</a> envBuilder</pre> |
| <div class="block">Learning environment builder.</div> |
| </li> |
| </ul> |
| <a name="trainerEnvironment"> |
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| </a> |
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| <h4>trainerEnvironment</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a> trainerEnvironment</pre> |
| <div class="block">Learning environment used for trainer.</div> |
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| <a name="cntOfIterations"> |
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| </a> |
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| <h4>cntOfIterations</h4> |
| <pre>protected int cntOfIterations</pre> |
| <div class="block">Count of iterations.</div> |
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| </ul> |
| <a name="loss"> |
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| </a> |
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| <h4>loss</h4> |
| <pre>protected <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 of gradient.</div> |
| </li> |
| </ul> |
| <a name="externalLbToInternalMapping"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>externalLbToInternalMapping</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</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/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></span> externalLbToInternalMapping</pre> |
| <div class="block">External label to internal mapping.</div> |
| </li> |
| </ul> |
| <a name="baseMdlTrainerBuilder"> |
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| <h4>baseMdlTrainerBuilder</h4> |
| <pre>protected <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'><</span><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><span class='angle_bracket'>></span> baseMdlTrainerBuilder</pre> |
| <div class="block">Base model trainer builder.</div> |
| </li> |
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| <a name="meanLbVal"> |
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| </a> |
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| <h4>meanLbVal</h4> |
| <pre>protected double meanLbVal</pre> |
| <div class="block">Mean label value.</div> |
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| </a> |
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| <h4>sampleSize</h4> |
| <pre>protected long sampleSize</pre> |
| <div class="block">Sample size.</div> |
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| </a> |
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| <h4>compositionWeights</h4> |
| <pre>protected double[] compositionWeights</pre> |
| <div class="block">Composition weights.</div> |
| </li> |
| </ul> |
| <a name="checkConvergenceStgyFactory"> |
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| </a> |
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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> |
| </ul> |
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| </ul> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="GDBLearningStrategy--"> |
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| <h4>GDBLearningStrategy</h4> |
| <pre>public GDBLearningStrategy()</pre> |
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| <h3>Method Detail</h3> |
| <a name="learnModels-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| </a> |
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| <h4>learnModels</h4> |
| <pre>public <span class='angle_bracket'><</span>K,V<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/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><span class='angle_bracket'>></span> learnModels(<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">Implementation of gradient boosting iterations. At each step of iterations this algorithm build a regression |
| model based on gradient of loss-function for current models composition.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>datasetBuilder</code> - Dataset builder.</dd> |
| <dd><code>preprocessor</code> - Upstream preprocessor.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of learned models.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="update-org.apache.ignite.ml.composition.boosting.GDBTrainer.GDBModel-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
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| <h4>update</h4> |
| <pre>public <span class='angle_bracket'><</span>K,V<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/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><span class='angle_bracket'>></span> update(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a> mdlToUpdate, |
| <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, compare it with training parameters of trainer and if they are fit then trainer |
| updates model in according to new data and return new model. In other case trains new model.</div> |
| <dl> |
| <dt><span class="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>mdlToUpdate</code> - Learned model.</dd> |
| <dd><code>datasetBuilder</code> - Dataset builder.</dd> |
| <dd><code>preprocessor</code> - Upstream preprocessor.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Updated models list.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initLearningState-org.apache.ignite.ml.composition.boosting.GDBTrainer.GDBModel-"> |
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| </a> |
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| <h4>initLearningState</h4> |
| <pre>@NotNull |
| protected @NotNull <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/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><span class='angle_bracket'>></span> initLearningState(<a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a> mdlToUpdate)</pre> |
| <div class="block">Restores state of already learned model if can and sets learning parameters according to this state.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>mdlToUpdate</code> - Model to update.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of already learned models.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-"> |
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| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</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">Sets learning environment.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>envBuilder</code> - Learning Environment.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>withCntOfIterations</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withCntOfIterations(int cntOfIterations)</pre> |
| <div class="block">Sets count of iterations.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cntOfIterations</code> - Count of iterations.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>withLossGradient</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withLossGradient(<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> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>loss</code> - Loss function.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="withExternalLabelToInternal-org.apache.ignite.ml.math.functions.IgniteFunction-"> |
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| <h4>withExternalLabelToInternal</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withExternalLabelToInternal(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</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/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>></span> externalLbToInternal)</pre> |
| <div class="block">Sets external to internal label representation mapping.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>externalLbToInternal</code> - External label to internal.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="withBaseModelTrainerBuilder-org.apache.ignite.ml.math.functions.IgniteSupplier-"> |
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| <h4>withBaseModelTrainerBuilder</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withBaseModelTrainerBuilder(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'><</span><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><span class='angle_bracket'>></span> buildBaseMdlTrainer)</pre> |
| <div class="block">Sets base model builder.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buildBaseMdlTrainer</code> - Build base model trainer.</dd> |
| </dl> |
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| <h4>withMeanLabelValue</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withMeanLabelValue(double meanLbVal)</pre> |
| <div class="block">Sets mean label value.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>meanLbVal</code> - Mean label value.</dd> |
| </dl> |
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| </ul> |
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| <h4>withSampleSize</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withSampleSize(long sampleSize)</pre> |
| <div class="block">Sets sample size.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sampleSize</code> - Sample size.</dd> |
| </dl> |
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| </ul> |
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| <h4>withCompositionWeights</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withCompositionWeights(double[] compositionWeights)</pre> |
| <div class="block">Sets composition weights vector.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>compositionWeights</code> - Composition weights.</dd> |
| </dl> |
| </li> |
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| <h4>withCheckConvergenceStgyFactory</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</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> |
| </dl> |
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| <h4>withDefaultGradStepSize</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBLearningStrategy.html" title="class in org.apache.ignite.ml.composition.boosting">GDBLearningStrategy</a> withDefaultGradStepSize(double defaultGradStepSize)</pre> |
| <div class="block">Sets default gradient step size.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>defaultGradStepSize</code> - Default gradient step size.</dd> |
| </dl> |
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| </ul> |
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| <h4>getCompositionWeights</h4> |
| <pre>public double[] getCompositionWeights()</pre> |
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| <h4>getMeanValue</h4> |
| <pre>public double getMeanValue()</pre> |
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