sim_data_2: Simulated item response data for 2PLM

In takuizum/irtfun2: Some useful functions for IRT

Description

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

Usage

sim_data_2

Format

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

Examples

# single test data: subjects=3,000 and item=30, 2PLM
set.seed(0204)
theta <- rnorm(3000)
a <- rlnorm(30, sdlog = 0.25)
b <- rnorm(30)
sim_data_2 <- irtfun2::sim_gen(theta=theta, b=b, a=a)

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