jbnc.util
Class CVGenerator

java.lang.Object
  jbnc.util.CVGenerator

public class CVGenerator

extends java.lang.Object

Generates cross validation data sets. For a given dataset it will generate the same sequence of cross validation sets. The squence can be modified using methods setSeed() and randomize().

Since:

June 1, 1999

Author:

Jarek Sacha

Field Summary

protected java.util.ArrayList	caseList
protected java.util.Random	random

Constructor Summary

CVGenerator()

Method Summary

void	generateSets(int cvFolds, java.util.Vector[] trainSets, java.util.Vector[] testSets)
void	randomize() Set the internal random number generator to a "random" seed based on current time.
void	setCases(java.util.Vector cases) Sets the Cases attribute of the CVGenerator object
void	setSeed(long seed) Sets the seed of random number generator used for creation of cross validation sets.

Methods inherited from class java.lang.Object

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

Field Detail

random

protected java.util.Random random

caseList

protected java.util.ArrayList caseList

Constructor Detail

CVGenerator

public CVGenerator()

Method Detail

setCases

public void setCases(java.util.Vector cases)

Sets the Cases attribute of the CVGenerator object

Parameters:

cases - The new Cases value

setSeed

public void setSeed(long seed)

Sets the seed of random number generator used for creation of cross validation sets.

Parameters:

seed - the initial seed.

generateSets

public void generateSets(int cvFolds,
                         java.util.Vector[] trainSets,
                         java.util.Vector[] testSets)

Parameters:

cvFolds -

trainSets -

testSets -

randomize

public void randomize()

Set the internal random number generator to a "random" seed based on current time.