weka.estimators.density

Class CachedEstimator

java.lang.Object

weka.estimators.density.CachedEstimator

All Implemented Interfaces:

Serializable, weka.core.OptionHandler, DensityEstimator, weka.estimators.IncrementalEstimator

public class CachedEstimator
extends Object
implements DensityEstimator, Serializable, weka.core.OptionHandler

Estimator with cached values of PDFs and CDFs. Needed for speed reasons

Since:

0.13.0

Version:

0.13.0

Author:

pawel trajdos

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CachedEstimator()

Method Summary

Modifier and Type	Method and Description
void	addValue(double data, double weight)
void	addValues(double[] data, double[] weight) Adds a set ov values into the estimator
String	densEstimTipText()
double	getCDF(double x) Gets Cumulative Density Function for given x
DensityEstimator	getDensEstim()
String[]	getOptions()
double	getPDF(double x) Gets Probability Density Function for given x
double[]	getValues() Get values added to the estimator
double[]	getWeights() Get weights of the stored values/samples
Enumeration<weka.core.Option>	listOptions()
void	setDensEstim(DensityEstimator densEstim)
void	setOptions(String[] options)

Methods inherited from class java.lang.Object

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

Methods inherited from interface weka.core.OptionHandler

makeCopy

Constructor Detail

CachedEstimator

public CachedEstimator()

Method Detail

addValue

public void addValue(double data,
                     double weight)

Specified by:

addValue in interface weka.estimators.IncrementalEstimator

getPDF

public double getPDF(double x)

Description copied from interface: DensityEstimator

Gets Probability Density Function for given x

Specified by:

getPDF in interface DensityEstimator

Returns:

PDF for x

getCDF

public double getCDF(double x)

Description copied from interface: DensityEstimator

Gets Cumulative Density Function for given x

Specified by:

getCDF in interface DensityEstimator

Returns:

PDF for x

addValues

public void addValues(double[] data,
                      double[] weight)

Description copied from interface: DensityEstimator

Adds a set ov values into the estimator

Specified by:

addValues in interface DensityEstimator

getValues

public double[] getValues()

Description copied from interface: DensityEstimator

Get values added to the estimator

Specified by:

getValues in interface DensityEstimator

Returns:

values

getWeights

public double[] getWeights()

Description copied from interface: DensityEstimator

Get weights of the stored values/samples

Specified by:

getWeights in interface DensityEstimator

Returns:

weights

getDensEstim

public DensityEstimator getDensEstim()

Returns:

the densEstim

setDensEstim

public void setDensEstim(DensityEstimator densEstim)

Parameters:

densEstim - the densEstim to set

densEstimTipText

public String densEstimTipText()

listOptions

public Enumeration<weka.core.Option> listOptions()

Specified by:

listOptions in interface weka.core.OptionHandler

setOptions

public void setOptions(String[] options)
                throws Exception

Specified by:

setOptions in interface weka.core.OptionHandler

Throws:

Exception

getOptions

public String[] getOptions()

Specified by:

getOptions in interface weka.core.OptionHandler