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eRm  

Extended Rasch Modeling
View on CRAN: Click here


Download and install eRm package within the R console
Install from CRAN:
install.packages("eRm")

Install from Github:
library("remotes")
install_github("cran/eRm")

Install by package version:
library("remotes")
install_version("eRm", "1.0-6")



Attach the package and use:
library("eRm")
Maintained by
Patrick Mair
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2006-10-15
Latest Update: 2024-03-01
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.
How to cite:
Patrick Mair (2006). eRm: Extended Rasch Modeling. R package version 1.0-6, https://cran.r-project.org/web/packages/eRm
Previous versions and publish date:
0.3.1 (2006-10-15 11:08), 0.3.2 (2006-10-18 16:53), 0.3 (2006-09-13 17:34), 0.9-2 (2007-09-01 12:14), 0.9-3 (2007-09-25 10:05), 0.9-4 (2007-10-17 09:20), 0.9-5 (2007-10-24 11:43), 0.9.0 (2007-04-26 19:52), 0.9.1.1 (2007-05-23 10:24), 0.9.1 (2007-05-18 11:37), 0.15-1 (2012-11-11 19:25), 0.15-3 (2013-12-07 21:15), 0.15-4 (2014-02-05 19:12), 0.15-5 (2015-01-10 18:20), 0.15-6 (2015-11-12 19:12), 0.15-7 (2016-11-20 20:11), 0.16-0 (2018-03-11 09:16), 0.16-1 (2018-05-26 16:41), 0.16-2 (2018-10-03 10:24), 1.0-0 (2019-06-06 12:19), 1.0-1 (2020-03-03 17:34), 1.0-2 (2021-02-15 12:03), 1.0-4 (2023-09-28 09:33), 1.0-5 (2024-03-01 20:11)
Other packages that cited eRm R package
View eRm citation profile
Other R packages that eRm depends, imports, suggests or enhances
Functions, R codes and Examples using the eRm R package
Some associated functions: IC . LLRA . LLTM . LPCM . LRSM . LRtest . MLoef . NPtest . PCM . PersonMisfit . RM . RSM . RSctr . RSmpl . RaschSampler . SepRel . Waldtest . anova.eRm . anova.llra . build_W . collapse_W . eRm.data . gofIRT . item_info . itemfit.ppar . llra.datprep . llraDat1 . llraDat2 . llradat3 . person.parameter . phi.range . plotDIF . plotGR . plotICC . plotINFO . plotPImap . plotPWmap . plotTR . predict.ppar . print.eRm . rsampler . rsctrl . rsextrmat . rsextrobj . rstats . sim.2pl . sim.locdep . sim.rasch . sim.xdim . stepwiseIt . summary.RSctr . summary.RSmpl . summary.llra . test_info . thresholds . xmpl . 
Some associated R codes: IC.default.R . LLRA.R . LLTM.R . LPCM.R . LRSM.R . LRtest.R . LRtest.Rm.R . MLoef.R . NPtest.R . PCM.R . PersonMisfit.R . RM.R . ROCR_aux.R . RSM.R . Rsquared.R . SepRel.R . Waldtest.R . Waldtest.Rm.R . anova.eRm.R . anova.llra.R . build_W.R . checkdata.R . cldeviance.R . cmlprep.R . coef.eRm.R . coef.ppar.R . collapse_W.R . datcheck.R . datprep_LLTM.R . datprep_LPCM.R . datprep_LRSM.R . datprep_PCM.R . datprep_RM.R . datprep_RSM.R . fitcml.R . gofIRT.R . gofIRT.ppar.R . hoslem.R . invalid.R . item_info.R . itemfit.R . itemfit.ppar.R . likLR.R . llra.datprep.R . llra.internals.R . model.matrix.eRm.R . performance.R . performance_measures.R . performance_plots.R . person.parameter.R . person.parameter.eRm.R . personfit.R . personfit.ppar.R . phi.range.R . pifit.internal.R . plist.internal.R . plotCI.R . plotDIF.R . plotGOF.LR.R . plotGOF.R . plotGR.R . plotICC.R . plotICC.Rm.R . plotINFO.R . plotPImap.R . plotPWmap.R . plotTR.R . plotjointICC.R . plotjointICC.dRm.R . pmat.R . pmat.default.R . pmat.ppar.R . predict.ppar.R . prediction.R . print.LR.R . print.PersonMisfit.R . print.eRm.R . print.gof.R . print.ifit.R . print.llra.R . print.logLik.eRm.R . print.pfit.R . print.ppar.R . print.resid.R . print.summary.llra.R . print.wald.R . residuals.ppar.R . rsampler.R . rsctrl.R . rserror.R . rsextrmat.R . rsextrobj.R . rstats.R . rsunpack.R . sim.2pl.R . sim.locdep.R . sim.rasch.R . sim.xdim.R . stepwiseIt.R . stepwiseIt.eRm.R . summary.PersonMisfit.R . summary.RSctr.R . summary.RSmpl.R . summary.RSmplext.R . summary.eRm.R . summary.gof.R . summary.llra.R . summary.ppar.R . test_info.R . vcov.eRm.R . zzz.R .  Full eRm package functions and examples
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