LL: The log likelihood function of IRT 1~3PLM

Description Usage Arguments

View source: R/estheta.R

Description

The log likelihood function of IRT 1~3PLM

Usage

1
LL(u, theta, a, b, c, D)

Arguments

u

the item response pattern

theta

the person ability parameter

a

the slope parameter

b

the location parameter

c

the guessing parameter

D

a scale constant


takuizum/irtfun2 documentation built on May 10, 2020, 8:30 a.m.