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iarm

Item Analysis in Rasch Models

v0.4.3 · Aug 27, 2022 · GPL-2

Description

Tools to assess model fit and identify misfitting items for Rasch models (RM) and partial credit models (PCM). Included are item fit statistics, item characteristic curves, item-restscore association, conditional likelihood ratio tests, assessment of measurement error, estimates of the reliability and test targeting as described in Christensen et al. (Eds.) (2013, ISBN:978-1-84821-222-0).

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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

Dependency Network

Dependencies Reverse dependencies eRm ggplot2 gridExtra Hmisc psychotools vcdExtra iarm

Version History

new 0.4.3 Mar 10, 2026
updated 0.4.3 ← 0.4.2 diff Aug 26, 2022
updated 0.4.2 ← 0.4.1 diff Sep 11, 2020
updated 0.4.1 ← 0.3.0 diff Apr 18, 2020
updated 0.3.0 ← 0.2.0 diff Dec 3, 2019
updated 0.2.0 ← 0.1.2 diff May 2, 2019
new 0.1.2 Mar 5, 2019