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| <div class="subTitle">org.apache.ignite.ml.composition.boosting</div> |
| <h2 title="Class GDBBinaryClassifierTrainer" class="title">Class GDBBinaryClassifierTrainer</h2> |
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| <li><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
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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="http://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> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">org.apache.ignite.ml.composition.boosting.GDBTrainer</a></li> |
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| <ul class="inheritance"> |
| <li>org.apache.ignite.ml.composition.boosting.GDBBinaryClassifierTrainer</li> |
| </ul> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/ml/tree/boosting/GDBBinaryClassifierOnTreesTrainer.html" title="class in org.apache.ignite.ml.tree.boosting">GDBBinaryClassifierOnTreesTrainer</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">GDBBinaryClassifierTrainer</span> |
| extends <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></pre> |
| <div class="block">Trainer for binary classifier using Gradient Boosting. As preparing stage this algorithm learn labels in dataset and |
| create mapping dataset labels to 0 and 1. This algorithm uses gradient of Logarithmic Loss metric [LogLoss] by |
| default in each step of learning.</div> |
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| <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.GDBModel.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer.GDBModel</a></code></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/composition/boosting/GDBTrainer.html#checkConvergenceStgyFactory">checkConvergenceStgyFactory</a>, <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#loss">loss</a></code></li> |
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| <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/GDBBinaryClassifierTrainer.html#GDBBinaryClassifierTrainer-double-java.lang.Integer-">GDBBinaryClassifierTrainer</a></span>(double gradStepSize, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> cntOfIterations)</code> |
| <div class="block">Constructs instance of GDBBinaryClassifierTrainer.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBBinaryClassifierTrainer.html#GDBBinaryClassifierTrainer-double-java.lang.Integer-org.apache.ignite.ml.composition.boosting.loss.Loss-">GDBBinaryClassifierTrainer</a></span>(double gradStepSize, |
| <a href="http://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 instance of GDBBinaryClassifierTrainer.</div> |
| </td> |
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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="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 double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBBinaryClassifierTrainer.html#externalLabelToInternal-double-">externalLabelToInternal</a></span>(double x)</code> |
| <div class="block">Maps external representation of label to internal.</div> |
| </td> |
| </tr> |
| <tr id="i1" 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/GDBBinaryClassifierTrainer.html#internalLabelToExternal-double-">internalLabelToExternal</a></span>(double indent)</code> |
| <div class="block">Maps internal representation of label to external.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <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/GDBBinaryClassifierTrainer.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="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/ml/tree/boosting/GDBBinaryClassifierOnTreesTrainer.html" title="class in org.apache.ignite.ml.tree.boosting">GDBBinaryClassifierOnTreesTrainer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBBinaryClassifierTrainer.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> |
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| <h3>Methods inherited from class org.apache.ignite.ml.composition.boosting.<a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></h3> |
| <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#buildBaseModelTrainer--">buildBaseModelTrainer</a>, <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>, <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>, <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#getLearningStrategy--">getLearningStrategy</a>, <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#isUpdateable-org.apache.ignite.ml.composition.ModelsComposition-">isUpdateable</a>, <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>, <a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#withCheckConvergenceStgyFactory-org.apache.ignite.ml.composition.boosting.convergence.ConvergenceCheckerFactory-">withCheckConvergenceStgyFactory</a></code></li> |
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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> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="GDBBinaryClassifierTrainer-double-java.lang.Integer-"> |
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| <h4>GDBBinaryClassifierTrainer</h4> |
| <pre>public GDBBinaryClassifierTrainer(double gradStepSize, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> cntOfIterations)</pre> |
| <div class="block">Constructs instance of GDBBinaryClassifierTrainer.</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> |
| </dl> |
| </li> |
| </ul> |
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| <h4>GDBBinaryClassifierTrainer</h4> |
| <pre>public GDBBinaryClassifierTrainer(double gradStepSize, |
| <a href="http://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 instance of GDBBinaryClassifierTrainer.</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> - Loss function.</dd> |
| </dl> |
| </li> |
| </ul> |
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| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="learnLabels-org.apache.ignite.ml.dataset.DatasetBuilder-org.apache.ignite.ml.preprocessing.Preprocessor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>learnLabels</h4> |
| <pre>protected <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="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><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></code> in class <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></dd> |
| <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="externalLabelToInternal-double-"> |
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| <ul class="blockList"> |
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| <h4>externalLabelToInternal</h4> |
| <pre>protected double externalLabelToInternal(double x)</pre> |
| <div class="block">Maps external representation of label to internal.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#externalLabelToInternal-double-">externalLabelToInternal</a></code> in class <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - Label value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="internalLabelToExternal-double-"> |
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| <h4>internalLabelToExternal</h4> |
| <pre>protected double internalLabelToExternal(double indent)</pre> |
| <div class="block">Maps internal representation of label to external.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html#internalLabelToExternal-double-">internalLabelToExternal</a></code> in class <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>indent</code> - Label value.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>withEnvironmentBuilder</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/ml/tree/boosting/GDBBinaryClassifierOnTreesTrainer.html" title="class in org.apache.ignite.ml.tree.boosting">GDBBinaryClassifierOnTreesTrainer</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/composition/boosting/GDBTrainer.html#withEnvironmentBuilder-org.apache.ignite.ml.environment.LearningEnvironmentBuilder-">withEnvironmentBuilder</a></code> in class <code><a href="../../../../../../org/apache/ignite/ml/composition/boosting/GDBTrainer.html" title="class in org.apache.ignite.ml.composition.boosting">GDBTrainer</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>envBuilder</code> - Learning environment builder.</dd> |
| </dl> |
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