eRm

Extended Rasch Modeling

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). Missing values are allowed in the data matrix. Additional features are the ML estimation of the person parameters, Andersen's LR-test, item-specific Wald test, Martin-Loef-Test, nonparametric Monte-Carlo Tests, itemfit and personfit statistics including infit and outfit measures, various ICC and related plots, automated stepwise item elimination, simulation module for various binary data matrices.

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Description file content

Package
eRm
Type
Package
Title
Extended Rasch Modeling
Version
0.16-1
Date
2018-05-25
Description
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). Missing values are allowed in the data matrix. Additional features are the ML estimation of the person parameters, Andersen's LR-test, item-specific Wald test, Martin-Loef-Test, nonparametric Monte-Carlo Tests, itemfit and personfit statistics including infit and outfit measures, various ICC and related plots, automated stepwise item elimination, simulation module for various binary data matrices.
License
GPL-2
URL
Imports
graphics, grDevices, stats, methods, MASS, splines, Matrix, lattice
Depends
R (>= 3.0.0)
Encoding
UTF-8
LazyData
yes
LazyLoad
yes
ByteCompile
yes
NeedsCompilation
yes
Packaged
2018-05-25 22:50:21 UTC; root
Author
Patrick Mair [cre, aut], Reinhold Hatzinger [aut], Marco J. Maier [aut], Thomas Rusch [ctb]
Maintainer
Patrick Mair
Repository
CRAN
Date/Publication
2018-05-26 14:41:02 UTC

install.packages('eRm')

0.16-1

23 days ago

http://r-forge.r-project.org/projects/erm/

Patrick Mair

GPL-2

Depends on

R (>= 3.0.0)

Imports

graphics, grDevices, stats, methods, MASS, splines, Matrix, lattice

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