aima.core.learning.inductive

Class DecisionTree

java.lang.Object

aima.core.learning.inductive.DecisionTree

Direct Known Subclasses:

ConstantDecisonTree

public class DecisionTree
extends java.lang.Object

Author:

Ravi Mohan

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DecisionTree()
	DecisionTree(java.lang.String attributeName)

Method Summary

Modifier and Type	Method and Description
void	addLeaf(java.lang.String attributeValue, java.lang.String decision)
void	addNode(java.lang.String attributeValue, DecisionTree tree)
java.lang.String	getAttributeName()
static DecisionTree	getStumpFor(DataSet ds, java.lang.String attributeName, java.lang.String attributeValue, java.lang.String returnValueIfMatched, java.util.List<java.lang.String> unmatchedValues, java.lang.String returnValueIfUnmatched)
static java.util.List<DecisionTree>	getStumpsFor(DataSet ds, java.lang.String returnValueIfMatched, java.lang.String returnValueIfUnmatched)
java.lang.Object	predict(Example e)
java.lang.String	toString()
java.lang.String	toString(int depth, java.lang.StringBuffer buf)

Methods inherited from class java.lang.Object

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

Constructor Detail

DecisionTree

protected DecisionTree()

DecisionTree

public DecisionTree(java.lang.String attributeName)

Method Detail

addLeaf

public void addLeaf(java.lang.String attributeValue,
                    java.lang.String decision)

addNode

public void addNode(java.lang.String attributeValue,
                    DecisionTree tree)

predict

public java.lang.Object predict(Example e)

getStumpFor

public static DecisionTree getStumpFor(DataSet ds,
                                       java.lang.String attributeName,
                                       java.lang.String attributeValue,
                                       java.lang.String returnValueIfMatched,
                                       java.util.List<java.lang.String> unmatchedValues,
                                       java.lang.String returnValueIfUnmatched)

getStumpsFor

public static java.util.List<DecisionTree> getStumpsFor(DataSet ds,
                                                        java.lang.String returnValueIfMatched,
                                                        java.lang.String returnValueIfUnmatched)

getAttributeName

public java.lang.String getAttributeName()

Returns:

Returns the attributeName.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toString

public java.lang.String toString(int depth,
                                 java.lang.StringBuffer buf)