edu.uci.jforests.learning.trees.regression

Class RegressionTree

java.lang.Object

edu.uci.jforests.learning.trees.Tree

edu.uci.jforests.learning.trees.regression.RegressionTree

All Implemented Interfaces:

java.lang.Cloneable

public class RegressionTree
extends Tree

Field Summary

Fields inherited from class edu.uci.jforests.learning.trees.Tree

numLeaves

Constructor Summary

Constructors

Constructor and Description
RegressionTree()

Method Summary

Modifier and Type	Method and Description
void	backfit(Sample sample)
java.lang.Object	clone()
double	getLeafOutput(int leaf)
double	getOutput(Dataset dataset, int instanceIndex)
double[]	getOutputs(Dataset dataset)
void	incrementLeafOutputs(double constant)
void	init(int maxLeaves, double maxLeafOutput)
void	loadCustomData(java.lang.String str)
void	multiplyLeafOutputs(double factor)
void	normalizeNodeNames() Renames node names in the tree to make them as 0, 1, 2, ..., n
void	setLeafOutput(int leaf, double output)
int	split(int leaf, TreeSplit split) turns a leaf of the tree into an internal node with two leaf-children

Methods inherited from class edu.uci.jforests.learning.trees.Tree

getLeaf, getLeafFromOriginalThreshold, getLeafFromOriginalThreshold, getLeftChild, getNodeParents, getOriginalThreshold, getParent, getRightChild, getSplitFeature, getThreshold, init, loadFromString, loadLeavesInSubtree, setLeftChild, setRightChild, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

RegressionTree

public RegressionTree()

Method Detail

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

init

public void init(int maxLeaves,
                 double maxLeafOutput)

normalizeNodeNames

public void normalizeNodeNames()

Renames node names in the tree to make them as 0, 1, 2, ..., n

getLeafOutput

public double getLeafOutput(int leaf)

setLeafOutput

public void setLeafOutput(int leaf,
                          double output)

multiplyLeafOutputs

public void multiplyLeafOutputs(double factor)

incrementLeafOutputs

public void incrementLeafOutputs(double constant)

getOutput

public double getOutput(Dataset dataset,
                        int instanceIndex)

getOutputs

public double[] getOutputs(Dataset dataset)

split

public int split(int leaf,
                 TreeSplit split)

Description copied from class: Tree

turns a leaf of the tree into an internal node with two leaf-children

Overrides:

split in class Tree

loadCustomData

public void loadCustomData(java.lang.String str)
                    throws java.lang.Exception

Specified by:

loadCustomData in class Tree

Throws:

java.lang.Exception

backfit

public void backfit(Sample sample)

Specified by:

backfit in class Tree