weka.classifiers.m5
Class SplitInfo

java.lang.Object
  |
  +--weka.classifiers.m5.SplitInfo

All Implemented Interfaces:

java.io.Serializable

public final class SplitInfo

extends java.lang.Object

implements java.io.Serializable

Stores split information.

Author:

Yong Wang (yongwang@cs.waikato.ac.nz)

See Also:

Serialized Form

Constructor Summary

SplitInfo(int low, int high, int attr)
Constructs an object which contains the split information

Method Summary

void	attrSplit(int attr, Instances inst) Finds the best splitting point for an attribute in the instances
SplitInfo	copy() Makes a copy of this SplitInfo object
void	initialize(int low, int high, int attr) Resets the object of split information
java.lang.String	toString(Instances inst) Converts the spliting information to string

Methods inherited from class java.lang.Object

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

Constructor Detail

SplitInfo

public SplitInfo(int low,
                 int high,
                 int attr)

Constructs an object which contains the split information

Parameters:

low - the index of the first instance

high - the index of the last instance

attr - an attribute

Method Detail

copy

public final SplitInfo copy()

Makes a copy of this SplitInfo object

initialize

public final void initialize(int low,
                             int high,
                             int attr)

Resets the object of split information

Parameters:

low - the index of the first instance

high - the index of the last instance

attr - the attribute

toString

public final java.lang.String toString(Instances inst)

Converts the spliting information to string

Parameters:

inst - the instances

attrSplit

public final void attrSplit(int attr,
                            Instances inst)
                     throws java.lang.Exception

Finds the best splitting point for an attribute in the instances

Parameters:

attr - the splitting attribute

inst - the instances

Throws:

java.lang.Exception - if something goes wrong