sim_dat_girt: Simulated item response data for GIRT model

In takuizum/irtfun2: Some useful functions for IRT

Description

This data set contains 30 item responses of 3,000 subjects for GIRT model

Usage

sim_dat_girt

Format

a dataset with 31 cols, first col is ID line.See estGip.

Examples

# GIRT estimated parameter
set.seed(0204)
theta <- rnorm(3000)
phi <- rinvchi(3000, max = 2)
a <- rlnorm(30, sdlog = 0.25)
b <- rnorm(30)
sim_dat_girt <- sim_gen(theta=theta, phi=phi, a=a, b=b)

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