mirt (version 0.8.0)

read.mirt: Translate mirt parameters for plink package

Description

This function exports item parameters from the mirt package to the plink package. Model must be estimated with no scaling adjustment (i.e., D = 1).

Usage

read.mirt(x, as.irt.pars = TRUE)

Arguments

x

an object returned from mirt, bfactor, confmirt, or multipleGroup

as.irt.pars

if TRUE, the parameters will be output as an irt.pars object

Examples

data(LSAT7)
data <- expand.table(LSAT7)
(mod1 <- mirt(data, 1, D = 1))
plinkpars <- read.mirt(mod1)

(mod2 <- mirt(data, 2, D = 1))
plinkpars2 <- read.mirt(mod2)