hex.tree.drf

Class TreeMeasuresCollector.TreeSSE

java.lang.Object

water.Iced

hex.tree.drf.TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeSSE>

hex.tree.drf.TreeMeasuresCollector.TreeSSE

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable

Enclosing class:

TreeMeasuresCollector

public static class TreeMeasuresCollector.TreeSSE
extends TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeSSE>

A simple holder serving SSE per tree.

See Also:

Serialized Form

Field Summary

Fields inherited from class hex.tree.drf.TreeMeasuresCollector.TreeMeasures

_nrows, _ntrees

Constructor Summary

Constructors

Constructor and Description
TreeMeasuresCollector.TreeSSE(float[] sse, double[] nrows, int ntrees)
TreeMeasuresCollector.TreeSSE(int initialCapacity)

Method Summary

Methods

Modifier and Type	Method and Description
double	accuracy(int tidx) Returns a list of accuracies per tree.
TreeMeasuresCollector.TreeSSE	append(float sse, double allRows) Append a tree sse to a list of trees.
TreeMeasuresCollector.TreeSSE	append(TreeMeasuresCollector.TreeSSE t)
double[]	imp(TreeMeasuresCollector.TreeSSE right) Compute variable importance with respect to given votes.

Methods inherited from class hex.tree.drf.TreeMeasuresCollector.TreeMeasures

accuracy, npredictors, nrows

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TreeMeasuresCollector.TreeSSE

public TreeMeasuresCollector.TreeSSE(int initialCapacity)

TreeMeasuresCollector.TreeSSE

public TreeMeasuresCollector.TreeSSE(float[] sse,
                             double[] nrows,
                             int ntrees)

Method Detail

accuracy

public double accuracy(int tidx)

Description copied from class: TreeMeasuresCollector.TreeMeasures

Returns a list of accuracies per tree.

Specified by:

accuracy in class TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeSSE>

imp

public double[] imp(TreeMeasuresCollector.TreeSSE right)

Description copied from class: TreeMeasuresCollector.TreeMeasures

Compute variable importance with respect to given votes. The given T object represents correct votes. This object represents votes over shuffled data.

Specified by:

imp in class TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeSSE>

Parameters:

right - individual tree measurements performed over not shuffled data.

Returns:

computed importance and standard deviation

append

public TreeMeasuresCollector.TreeSSE append(TreeMeasuresCollector.TreeSSE t)

Specified by:

append in class TreeMeasuresCollector.TreeMeasures<TreeMeasuresCollector.TreeSSE>

append

public TreeMeasuresCollector.TreeSSE append(float sse,
                                   double allRows)

Append a tree sse to a list of trees.