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eRm

Extended Rasch Modeling

v1.0-10 · May 27, 2025 · GPL-3

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, ICC and other plots, automated stepwise item elimination, simulation module for various binary data matrices.

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CRAN Check Status

14 OK
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Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (11)

depends

Dependency Network

Dependencies Reverse dependencies MASS Matrix lattice colorspace psych iarm exhaustiveRasch mstDIF tcl whomds GMX PP RMX easyRaschBayes pwrRasch tmt eRm

Version History

new 1.0-10 Mar 10, 2026
updated 1.0-10 ← 1.0-9 diff May 27, 2025
updated 1.0-9 ← 1.0-6 diff Mar 24, 2025
updated 1.0-6 ← 1.0-5 diff Mar 14, 2024
updated 1.0-5 ← 1.0-4 diff Feb 29, 2024
updated 1.0-4 ← 1.0-2 diff Sep 27, 2023
updated 1.0-2 ← 1.0-1 diff Feb 14, 2021
updated 1.0-1 ← 1.0-0 diff Mar 2, 2020
updated 1.0-0 ← 0.16-2 diff Jun 5, 2019
updated 0.16-2 ← 0.16-1 diff Oct 2, 2018
updated 0.16-1 ← 0.16-0 diff May 25, 2018
updated 0.16-0 ← 0.15-7 diff Mar 10, 2018
updated 0.15-7 ← 0.15-6 diff Nov 19, 2016
updated 0.15-6 ← 0.15-5 diff Nov 11, 2015
updated 0.15-5 ← 0.15-4 diff Jan 9, 2015
updated 0.15-4 ← 0.15-3 diff Feb 4, 2014
updated 0.15-3 ← 0.15-1 diff Dec 6, 2013
updated 0.15-1 ← 0.9-5 diff Nov 10, 2012
updated 0.9-5 ← 0.9-4 diff Oct 23, 2007
updated 0.9-4 ← 0.9-3 diff Oct 16, 2007