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| <h2 title="Interface ContinuousSplitCalculator" class="title">Interface ContinuousSplitCalculator<C extends <a href="../../../../../org/apache/ignite/ml/trees/ContinuousRegionInfo.html" title="class in org.apache.ignite.ml.trees">ContinuousRegionInfo</a>></h2> |
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| <dd><code>C</code> - Class in which information about region will be stored.</dd> |
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| <dd><a href="../../../../../org/apache/ignite/ml/trees/trainers/columnbased/contsplitcalcs/GiniSplitCalculator.html" title="class in org.apache.ignite.ml.trees.trainers.columnbased.contsplitcalcs">GiniSplitCalculator</a>, <a href="../../../../../org/apache/ignite/ml/trees/trainers/columnbased/contsplitcalcs/VarianceSplitCalculator.html" title="class in org.apache.ignite.ml.trees.trainers.columnbased.contsplitcalcs">VarianceSplitCalculator</a></dd> |
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| <pre>public interface <span class="typeNameLabel">ContinuousSplitCalculator<C extends <a href="../../../../../org/apache/ignite/ml/trees/ContinuousRegionInfo.html" title="class in org.apache.ignite.ml.trees">ContinuousRegionInfo</a>></span></pre> |
| <div class="block">This class is used for calculation of best split by continuous feature.</div> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html#calculateRegionInfo-java.util.stream.DoubleStream-int-">calculateRegionInfo</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/DoubleStream.html?is-external=true" title="class or interface in java.util.stream">DoubleStream</a> s, |
| int l)</code> |
| <div class="block">Calculate region info 'from scratch'.</div> |
| </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/ignite/ml/trees/trainers/columnbased/vectors/SplitInfo.html" title="class in org.apache.ignite.ml.trees.trainers.columnbased.vectors">SplitInfo</a><<a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html#splitRegion-java.lang.Integer:A-double:A-double:A-int-C-">splitRegion</a></span>(<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>[] sampleIndexes, |
| double[] values, |
| double[] labels, |
| int regionIdx, |
| <a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a> data)</code> |
| <div class="block">Calculate split info of best split of region given information about this region.</div> |
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| <h4>calculateRegionInfo</h4> |
| <pre><a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a> calculateRegionInfo(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/stream/DoubleStream.html?is-external=true" title="class or interface in java.util.stream">DoubleStream</a> s, |
| int l)</pre> |
| <div class="block">Calculate region info 'from scratch'.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - Stream of labels in this region.</dd> |
| <dd><code>l</code> - Index of sample projection on this feature in array sorted by this projection value and intervals |
| bitsets. (<a href="../../../../../org/apache/ignite/ml/trees/trainers/columnbased/vectors/ContinuousFeatureProcessor.html" title="class in org.apache.ignite.ml.trees.trainers.columnbased.vectors"><code>ContinuousFeatureProcessor</code></a>).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Region info.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>splitRegion</h4> |
| <pre><a href="../../../../../org/apache/ignite/ml/trees/trainers/columnbased/vectors/SplitInfo.html" title="class in org.apache.ignite.ml.trees.trainers.columnbased.vectors">SplitInfo</a><<a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a>> splitRegion(<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>[] sampleIndexes, |
| double[] values, |
| double[] labels, |
| int regionIdx, |
| <a href="../../../../../org/apache/ignite/ml/trees/ContinuousSplitCalculator.html" title="type parameter in ContinuousSplitCalculator">C</a> data)</pre> |
| <div class="block">Calculate split info of best split of region given information about this region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sampleIndexes</code> - Indexes of samples of this region.</dd> |
| <dd><code>values</code> - All values of this feature.</dd> |
| <dd><code>labels</code> - All labels of this feature.</dd> |
| <dd><code>regionIdx</code> - Index of region being split.</dd> |
| <dd><code>data</code> - Information about region being split which can be used for computations.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Information about best split of region with index given by regionIdx.</dd> |
| </dl> |
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