com.itemanalysis.psychometrics.irt.estimation

Interface ItemParamPrior

All Known Implementing Classes:

ItemParamPriorBeta, ItemParamPriorBeta4, ItemParamPriorLogNormal, ItemParamPriorNormal

public interface ItemParamPrior

Method Summary

Modifier and Type	Method and Description
java.lang.String	distributionName()
int	getNumberOfParameters()
double	logDensity(double x)
double	logDensityDeriv1(double x)
double	logDensityDeriv2(double x)
double	nearestNonZero(double x)
boolean	zeroDensity(double x)

Method Detail

zeroDensity

boolean zeroDensity(double x)

nearestNonZero

double nearestNonZero(double x)

logDensity

double logDensity(double x)

logDensityDeriv1

double logDensityDeriv1(double x)

logDensityDeriv2

double logDensityDeriv2(double x)

distributionName

java.lang.String distributionName()

getNumberOfParameters

int getNumberOfParameters()