Learn R Programming

sirt (version 4.1-15)

data.inv4gr: Dataset for Invariance Testing with 4 Groups

Description

Dataset for invariance testing with 4 groups.

Usage

data(data.inv4gr)

Arguments

Format

A data frame with 4000 observations on the following 12 variables. The first variable is a group identifier, the other variables are items.

group

A group identifier

I01

a numeric vector

I02

a numeric vector

I03

a numeric vector

I04

a numeric vector

I05

a numeric vector

I06

a numeric vector

I07

a numeric vector

I08

a numeric vector

I09

a numeric vector

I10

a numeric vector

I11

a numeric vector