javanpst.distributions.common.continuous

Class LogisticDistribution

java.lang.Object

javanpst.distributions.common.continuous.LogisticDistribution

All Implemented Interfaces:

Distribution

public class LogisticDistribution
extends java.lang.Object
implements Distribution

A Logistic distribution.

Constructor Summary

Constructors

Constructor and Description
LogisticDistribution() Default builder.
LogisticDistribution(double mean, double s) Builder.
LogisticDistribution(LogisticDistribution old) Copy constructor Creates a copy of a given Logistic distribution

Method Summary

Modifier and Type	Method and Description
double	computeCumulativeProbability(double x) Computes cumulative probability at a given point of the Logistic distribution.
double	computeProbability(double x) Computes mass probability at a given point of the Logistic distribution.
double	getMean() Gets the mean parameter
double	getS() Gets the s parameter
void	setMean(double value) Sets mean
void	setS(double value) Sets S S value must be positive
java.lang.String	toString() To String method.

Methods inherited from class java.lang.Object

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

Constructor Detail

LogisticDistribution

public LogisticDistribution()

Default builder. Creates a Logistic distribution with parameters mean = 0 and s = 1

LogisticDistribution

public LogisticDistribution(double mean,
                            double s)

Builder. Creates a Logistic distribution with the specified parameters S must be positive

Parameters:

mean - mean of the distribution

s - scale of the distribution

LogisticDistribution

public LogisticDistribution(LogisticDistribution old)

Copy constructor Creates a copy of a given Logistic distribution

Parameters:

old - Logistic distribution to copy

Method Detail

setMean

public void setMean(double value)

Sets mean

Parameters:

value - mean value

setS

public void setS(double value)

Sets S S value must be positive

Parameters:

value - S value

getMean

public double getMean()

Gets the mean parameter

Returns:

value of mean

getS

public double getS()

Gets the s parameter

Returns:

value of s

computeProbability

public double computeProbability(double x)

Computes mass probability at a given point of the Logistic distribution.

Specified by:

computeProbability in interface Distribution

Parameters:

x - point selected

Returns:

mass probability at 'x'

computeCumulativeProbability

public double computeCumulativeProbability(double x)

Computes cumulative probability at a given point of the Logistic distribution.

Specified by:

computeCumulativeProbability in interface Distribution

Parameters:

x - point selected

Returns:

cumulative probability at 'x'

toString

public java.lang.String toString()

To String method.

Overrides:

toString in class java.lang.Object

Returns:

string representation of the distribution