marytts.cart

Class LeafNode.FloatLeafNode

java.lang.Object

marytts.cart.Node

marytts.cart.LeafNode

marytts.cart.LeafNode.FloatLeafNode

Enclosing class:

LeafNode

public static class LeafNode.FloatLeafNode
extends LeafNode

A leaf class that is suitable for regression trees. Here, a leaf consists of a mean and a standard deviation.

Author:

marc

Nested Class Summary

Nested classes/interfaces inherited from class marytts.cart.LeafNode

LeafNode.FeatureVectorLeafNode, LeafNode.FloatLeafNode, LeafNode.IntAndFloatArrayLeafNode, LeafNode.IntArrayLeafNode, LeafNode.LeafType, LeafNode.PdfLeafNode, LeafNode.StringAndFloatLeafNode

Field Summary

Fields inherited from class marytts.cart.LeafNode

uniqueLeafId

Fields inherited from class marytts.cart.Node

isRoot, mother, nodeIndex

Constructor Summary

Constructors

Constructor and Description
LeafNode.FloatLeafNode(float[] data)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	fillData(Object target, int pos, int len) Write this node's data into the target object at pos, making sure that exactly len data are written.
Object	getAllData() Get all data in this leaf
int	getDataLength()
LeafNode.LeafType	getLeafNodeType() The type of this leaf node.
float	getMean()
int	getNumberOfData() Count all the data available at and below this node.
float	getStDeviation()
boolean	isEmpty() Indicate whether the leaf node has no meaningful data.
String	toString()

Methods inherited from class marytts.cart.LeafNode

getNumberOfNodes, getUniqueLeafId, isLeafNode, setUniqueLeafId

Methods inherited from class marytts.cart.Node

getDecisionPath, getMother, getNodeIndex, getRootNode, isDecisionNode, isDirectedGraphNode, isRoot, setIsRoot, setMother, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LeafNode.FloatLeafNode

public LeafNode.FloatLeafNode(float[] data)

Method Detail

getAllData

public Object getAllData()

Get all data in this leaf

Specified by:

getAllData in class LeafNode

Returns:

the mean/standard deviation value contained in this leaf

getDataLength

public int getDataLength()

getMean

public float getMean()

getStDeviation

public float getStDeviation()

fillData

protected void fillData(Object target,
            int pos,
            int len)

Description copied from class: LeafNode

Write this node's data into the target object at pos, making sure that exactly len data are written. The type of data written depends on the type of nodes; for example, when IntArrayLeafNodes are used, target would be an int[].

Specified by:

fillData in class LeafNode

Parameters:

target - the object to write to, usually an array.

pos - the position in the target at which to start writing

len - the amount of data items to write, usually equals getNumberOfData().

getNumberOfData

public int getNumberOfData()

Description copied from class: LeafNode

Count all the data available at and below this node. The meaning of this depends on the type of nodes; for example, when IntArrayLeafNodes are used, it is the total number of ints that are saved in all leaf nodes below the current node.

Specified by:

getNumberOfData in class LeafNode

Returns:

an int counting the data below the current node, or -1 if such a concept is not meaningful.

isEmpty

public boolean isEmpty()

Description copied from class: LeafNode

Indicate whether the leaf node has no meaningful data.

Specified by:

isEmpty in class LeafNode

Returns:

whether the node is empty or not

getLeafNodeType

public LeafNode.LeafType getLeafNodeType()

Description copied from class: LeafNode

The type of this leaf node.

Specified by:

getLeafNodeType in class LeafNode

Returns:

the type of the leaf node

toString

public String toString()

Overrides:

toString in class LeafNode