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ERm

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Erm

http://cran.r-project.org/web/packages/eRm/index.html
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). 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, 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. An eRm platform is provided at R-forge (see URL).


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Licensing

LicenseVerified byVerified onNotes
GPLv2orlaterDebian20 March 2013
GPLv2Debian20 March 2013



Leaders and contributors

Contact(s)Role
Reinhold Hatzinger contact


Resources and communication

Audience Resource type URI
Download http://cran.r-project.org/web/packages/eRm/index.html


Software prerequisites



Entry



Date 2013-03-20
Source Debian import
Source link http://packages.debian.org/sid/erm

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