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eRm (version 0.9.0)

Extended Rasch Modeling.

Description

eRm fits Rasch models (RM), linear logistic test models (LLTM), rating scale model (RSM), linear rating scale models (LRSM), partial credit models (PCM), and linear partial credit models (LPCM).

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Version

Install

install.packages('eRm')

Monthly Downloads

2,637

Version

0.9.0

License

GPL

Maintainer

Patrick Mair

Last Published

September 28th, 2023

Functions in eRm (0.9.0)

LLTM

Estimation of linear logistic test models
LRSM

Estimation of linear rating scale models
PCM

Estimation of partial credit models
person.parameter

Estimation of Person Parameters
print.eRm

Methods for extended Rasch models
LPCM

Estimation of linear partial credit models
raschdat1

Data for Computing Extended Rasch Models
eRm-package

extended Rasch modeling
plotICC

ICC and Goodness-of-Fit Plots
Waldtest

Item-Specific Wald Test
itemfit.ppar

Residuals, Personfit and Itemfit Statistics
RM

Estimation of Rasch Models
RSM

Estimation of rating scale models
LRtest

Likelihood ratio model test