com.numericalmethod.suanshu.stats.regression.linear.glm.distribution.link
Class Probit

java.lang.Object
  com.numericalmethod.suanshu.stats.regression.linear.glm.distribution.link.Probit

All Implemented Interfaces:

LinkFunction

public class Probit
extends java.lang.Object
implements LinkFunction

This class represents the link function: Inverse of cumulative distribution function of a NormalDistribution distribution N(0, 1).

See Also:

GeneralizedLinearModel

Constructor Summary

Probit()

Method Summary

double	derivative(double x) Derivative of the link function, i.e., g'(x).
double	inverse(double x) Inverse of the link function, i.e., g-1(x).

Methods inherited from class java.lang.Object

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

Constructor Detail

Probit

public Probit()

Method Detail

inverse

public double inverse(double x)

Description copied from interface: LinkFunction

Inverse of the link function, i.e., g-1(x).

Specified by:

inverse in interface LinkFunction

Parameters:

x - x

Returns:

g-1(x)

derivative

public double derivative(double x)

Description copied from interface: LinkFunction

Derivative of the link function, i.e., g'(x).

Specified by:

derivative in interface LinkFunction

Parameters:

x - x

Returns:

g'(x)