Package edu.cmu.tetrad.data

Class BootstrapSampler

java.lang.Object

edu.cmu.tetrad.data.BootstrapSampler

public final class BootstrapSampler
extends Object

Provides a static method for sampling with replacement from a dataset to create a new dataset with a sample size supplied by the user.

Since sampling is done with replacement, the output dataset can have more samples than the input.

Author:

Frank Wimberly

Constructor Summary

Constructors

Constructor	Description
BootstrapSampler()	Constructs a sample that does not do any logging.

Method Summary

Modifier and Type	Method	Description
boolean	isWithoutReplacements()
DataSet	sample(DataSet dataSet, int newSampleSize)	This method takes a dataset and a sample size and creates a new dataset containing that number of samples by drawing with replacement from the original dataset.
void	setWithoutReplacements(boolean withoutReplacements)

Methods inherited from class java.lang.Object

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

Constructor Details

BootstrapSampler

public BootstrapSampler()

Constructs a sample that does not do any logging.

Method Details

sample

public DataSet sample(DataSet dataSet,
 int newSampleSize)

This method takes a dataset and a sample size and creates a new dataset containing that number of samples by drawing with replacement from the original dataset.

isWithoutReplacements

public boolean isWithoutReplacements()

setWithoutReplacements

public void setWithoutReplacements(boolean withoutReplacements)