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mcIRT (version 0.41)

IRT models for multiple choice items (mcIRT)

Description

This package provides functions to estimate two popular IRT-models: The Nominal Response Model (Bock 1972) and the quite recently developed Nested Logit Model (Suh & Bolt 2010). These are two models to examine multiple-choice items and other multicategorial response formats.

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Install

install.packages('mcIRT')

Monthly Downloads

60

Version

0.41

License

GPL-3

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Repository

https://github.com/manuelreif/mcIRT

Maintainer

Last Published

August 30th, 2014

Functions in mcIRT (0.41)

Estimating a Nested Logit Model

Simulate data (nrm)

Compare different models

Differential Distractor Functioning

Simulated estimation results

IRT models for multiple choice items (mcIRT)

Plotting an object of class nlm

Likelihood Ratio Test

Simulates data according to the Nested Logit Model

plot.standardization

Plot latent distributions

Plotting an object of class nrm

Plot Information Curves

Create a design skeleton

Estimating a Nominal Response Model

Reshaping the raw data