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| <div class="subTitle">org.apache.spark.mllib.tree.model</div> |
| <h2 title="Class GradientBoostedTreesModel" class="title">Class GradientBoostedTreesModel</h2> |
| </div> |
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| <ul class="inheritance"> |
| <li>Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.spark.mllib.tree.model.GradientBoostedTreesModel</li> |
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| <pre>public class <span class="typeNameLabel">GradientBoostedTreesModel</span> |
| extends Object |
| implements <a href="../../../../../../org/apache/spark/mllib/util/Saveable.html" title="interface in org.apache.spark.mllib.util">Saveable</a></pre> |
| <div class="block">Represents a gradient boosted trees model. |
| <p> |
| param: algo algorithm for the ensemble model, either Classification or Regression |
| param: trees tree ensembles |
| param: treeWeights tree ensemble weights</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../serialized-form.html#org.apache.spark.mllib.tree.model.GradientBoostedTreesModel">Serialized Form</a></dd> |
| </dl> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink">org.apache.spark.mllib.tree.model.TreeEnsembleModel.SaveLoadV1_0$</span></code> </td> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#GradientBoostedTreesModel-scala.Enumeration.Value-org.apache.spark.mllib.tree.model.DecisionTreeModel:A-double:A-">GradientBoostedTreesModel</a></span>(scala.Enumeration.Value algo, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a>[] trees, |
| double[] treeWeights)</code> </td> |
| </tr> |
| </table> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>scala.Enumeration.Value</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#algo--">algo</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#computeInitialPredictionAndError-org.apache.spark.rdd.RDD-double-org.apache.spark.mllib.tree.model.DecisionTreeModel-org.apache.spark.mllib.tree.loss.Loss-">computeInitialPredictionAndError</a></span>(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| double initTreeWeight, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a> initTree, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</code> |
| <div class="block">Compute the initial predictions and errors for a dataset for the first |
| iteration of gradient boosting.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#evaluateEachIteration-org.apache.spark.rdd.RDD-org.apache.spark.mllib.tree.loss.Loss-">evaluateEachIteration</a></span>(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</code> |
| <div class="block">Method to compute error or loss for every iteration of gradient boosting.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html" title="class in org.apache.spark.mllib.tree.model">GradientBoostedTreesModel</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#load-org.apache.spark.SparkContext-java.lang.String-">load</a></span>(<a href="../../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a> sc, |
| String path)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#numTrees--">numTrees</a></span>()</code> |
| <div class="block">Get number of trees in ensemble.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#org:Dapache:Dspark:Dinternal:DLogging:D:Dlog__:Deq-org.slf4j.Logger-">org$apache$spark$internal$Logging$$log__$eq</a></span>(org.slf4j.Logger x$1)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#org:Dapache:Dspark:Dinternal:DLogging:D:Dlog_--">org$apache$spark$internal$Logging$$log_</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><Double></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#predict-org.apache.spark.api.java.JavaRDD-">predict</a></span>(<a href="../../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a>> features)</code> |
| <div class="block">Java-friendly version of <code>org.apache.spark.mllib.tree.model.TreeEnsembleModel.predict</code>.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><Object></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#predict-org.apache.spark.rdd.RDD-">predict</a></span>(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a>> features)</code> |
| <div class="block">Predict values for the given data set.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#predict-org.apache.spark.mllib.linalg.Vector-">predict</a></span>(<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a> features)</code> |
| <div class="block">Predict values for a single data point using the model trained.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#save-org.apache.spark.SparkContext-java.lang.String-">save</a></span>(<a href="../../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a> sc, |
| String path)</code> |
| <div class="block">Save this model to the given path.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#toDebugString--">toDebugString</a></span>()</code> |
| <div class="block">Print the full model to a string.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#toString--">toString</a></span>()</code> |
| <div class="block">Print a summary of the model.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#totalNumNodes--">totalNumNodes</a></span>()</code> |
| <div class="block">Get total number of nodes, summed over all trees in the ensemble.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#trees--">trees</a></span>()</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#treeWeights--">treeWeights</a></span>()</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html#updatePredictionError-org.apache.spark.rdd.RDD-org.apache.spark.rdd.RDD-double-org.apache.spark.mllib.tree.model.DecisionTreeModel-org.apache.spark.mllib.tree.loss.Loss-">updatePredictionError</a></span>(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>> predictionAndError, |
| double treeWeight, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a> tree, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</code> |
| <div class="block">Update a zipped predictionError RDD |
| (as obtained with computeInitialPredictionAndError)</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class Object</h3> |
| <code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
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| </ul> |
| </li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="GradientBoostedTreesModel-scala.Enumeration.Value-org.apache.spark.mllib.tree.model.DecisionTreeModel:A-double:A-"> |
| <!-- --> |
| </a> |
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| <h4>GradientBoostedTreesModel</h4> |
| <pre>public GradientBoostedTreesModel(scala.Enumeration.Value algo, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a>[] trees, |
| double[] treeWeights)</pre> |
| </li> |
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| <h3>Method Detail</h3> |
| <a name="computeInitialPredictionAndError-org.apache.spark.rdd.RDD-double-org.apache.spark.mllib.tree.model.DecisionTreeModel-org.apache.spark.mllib.tree.loss.Loss-"> |
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| <h4>computeInitialPredictionAndError</h4> |
| <pre>public static <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>> computeInitialPredictionAndError(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| double initTreeWeight, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a> initTree, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</pre> |
| <div class="block">Compute the initial predictions and errors for a dataset for the first |
| iteration of gradient boosting.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>data:</code> - training data.</dd> |
| <dd><code>initTreeWeight:</code> - learning rate assigned to the first tree.</dd> |
| <dd><code>initTree:</code> - first DecisionTreeModel.</dd> |
| <dd><code>loss:</code> - evaluation metric.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an RDD with each element being a zip of the prediction and error |
| corresponding to every sample.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="updatePredictionError-org.apache.spark.rdd.RDD-org.apache.spark.rdd.RDD-double-org.apache.spark.mllib.tree.model.DecisionTreeModel-org.apache.spark.mllib.tree.loss.Loss-"> |
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| </a> |
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| <h4>updatePredictionError</h4> |
| <pre>public static <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>> updatePredictionError(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><scala.Tuple2<Object,Object>> predictionAndError, |
| double treeWeight, |
| <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a> tree, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</pre> |
| <div class="block">Update a zipped predictionError RDD |
| (as obtained with computeInitialPredictionAndError)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>data:</code> - training data.</dd> |
| <dd><code>predictionAndError:</code> - predictionError RDD</dd> |
| <dd><code>treeWeight:</code> - Learning rate.</dd> |
| <dd><code>tree:</code> - Tree using which the prediction and error should be updated.</dd> |
| <dd><code>loss:</code> - evaluation metric.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an RDD with each element being a zip of the prediction and error |
| corresponding to each sample.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="load-org.apache.spark.SparkContext-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>load</h4> |
| <pre>public static <a href="../../../../../../org/apache/spark/mllib/tree/model/GradientBoostedTreesModel.html" title="class in org.apache.spark.mllib.tree.model">GradientBoostedTreesModel</a> load(<a href="../../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a> sc, |
| String path)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sc</code> - Spark context used for loading model files.</dd> |
| <dd><code>path</code> - Path specifying the directory to which the model was saved.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Model instance</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="algo--"> |
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| <h4>algo</h4> |
| <pre>public scala.Enumeration.Value algo()</pre> |
| </li> |
| </ul> |
| <a name="trees--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>trees</h4> |
| <pre>public <a href="../../../../../../org/apache/spark/mllib/tree/model/DecisionTreeModel.html" title="class in org.apache.spark.mllib.tree.model">DecisionTreeModel</a>[] trees()</pre> |
| </li> |
| </ul> |
| <a name="treeWeights--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>treeWeights</h4> |
| <pre>public double[] treeWeights()</pre> |
| </li> |
| </ul> |
| <a name="save-org.apache.spark.SparkContext-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>save</h4> |
| <pre>public void save(<a href="../../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a> sc, |
| String path)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/spark/mllib/util/Saveable.html#save-org.apache.spark.SparkContext-java.lang.String-">Saveable</a></code></span></div> |
| <div class="block">Save this model to the given path. |
| <p> |
| This saves: |
| - human-readable (JSON) model metadata to path/metadata/ |
| - Parquet formatted data to path/data/ |
| <p> |
| The model may be loaded using <code>Loader.load</code>. |
| <p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/spark/mllib/util/Saveable.html#save-org.apache.spark.SparkContext-java.lang.String-">save</a></code> in interface <code><a href="../../../../../../org/apache/spark/mllib/util/Saveable.html" title="interface in org.apache.spark.mllib.util">Saveable</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sc</code> - Spark context used to save model data.</dd> |
| <dd><code>path</code> - Path specifying the directory in which to save this model. |
| If the directory already exists, this method throws an exception.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="evaluateEachIteration-org.apache.spark.rdd.RDD-org.apache.spark.mllib.tree.loss.Loss-"> |
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| </a> |
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| <h4>evaluateEachIteration</h4> |
| <pre>public double[] evaluateEachIteration(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression">LabeledPoint</a>> data, |
| <a href="../../../../../../org/apache/spark/mllib/tree/loss/Loss.html" title="interface in org.apache.spark.mllib.tree.loss">Loss</a> loss)</pre> |
| <div class="block">Method to compute error or loss for every iteration of gradient boosting.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>data</code> - RDD of <a href="../../../../../../org/apache/spark/mllib/regression/LabeledPoint.html" title="class in org.apache.spark.mllib.regression"><code>LabeledPoint</code></a></dd> |
| <dd><code>loss</code> - evaluation metric.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array with index i having the losses or errors for the ensemble |
| containing the first i+1 trees</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="org:Dapache:Dspark:Dinternal:DLogging:D:Dlog_--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>org$apache$spark$internal$Logging$$log_</h4> |
| <pre>public static org.slf4j.Logger org$apache$spark$internal$Logging$$log_()</pre> |
| </li> |
| </ul> |
| <a name="org:Dapache:Dspark:Dinternal:DLogging:D:Dlog__:Deq-org.slf4j.Logger-"> |
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| </a> |
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| <h4>org$apache$spark$internal$Logging$$log__$eq</h4> |
| <pre>public static void org$apache$spark$internal$Logging$$log__$eq(org.slf4j.Logger x$1)</pre> |
| </li> |
| </ul> |
| <a name="predict-org.apache.spark.mllib.linalg.Vector-"> |
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| </a> |
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| <h4>predict</h4> |
| <pre>public double predict(<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a> features)</pre> |
| <div class="block">Predict values for a single data point using the model trained. |
| <p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>features</code> - array representing a single data point</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>predicted category from the trained model</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="predict-org.apache.spark.rdd.RDD-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>predict</h4> |
| <pre>public <a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><Object> predict(<a href="../../../../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a>> features)</pre> |
| <div class="block">Predict values for the given data set. |
| <p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>features</code> - RDD representing data points to be predicted</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>RDD[Double] where each entry contains the corresponding prediction</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="predict-org.apache.spark.api.java.JavaRDD-"> |
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| </a> |
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| <h4>predict</h4> |
| <pre>public <a href="../../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><Double> predict(<a href="../../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><<a href="../../../../../../org/apache/spark/mllib/linalg/Vector.html" title="interface in org.apache.spark.mllib.linalg">Vector</a>> features)</pre> |
| <div class="block">Java-friendly version of <code>org.apache.spark.mllib.tree.model.TreeEnsembleModel.predict</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>features</code> - (undocumented)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(undocumented)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toString</h4> |
| <pre>public String toString()</pre> |
| <div class="block">Print a summary of the model.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>toString</code> in class <code>Object</code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(undocumented)</dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toDebugString</h4> |
| <pre>public String toDebugString()</pre> |
| <div class="block">Print the full model to a string.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(undocumented)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="numTrees--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>numTrees</h4> |
| <pre>public int numTrees()</pre> |
| <div class="block">Get number of trees in ensemble.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(undocumented)</dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>totalNumNodes</h4> |
| <pre>public int totalNumNodes()</pre> |
| <div class="block">Get total number of nodes, summed over all trees in the ensemble.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>(undocumented)</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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