Person Parameter Estimation

The PP package includes estimation of (MLE, WLE, MAP, EAP, ROBUST) person parameters for the 1,2,3,4-PL model and the GPCM (generalized partial credit model). The parameters are estimated under the assumption that the item parameters are known and fixed. The package is useful e.g. in the case that items from an item pool / item bank with known item parameters are administered to a new population of test-takers and an ability estimation for every test-taker is needed.


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Reference manual

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install.packages("PP")

0.6.2 by Jan Steinfeld, 6 months ago


https://github.com/manuelreif/PP


Report a bug at https://github.com/manuelreif/PP/issues


Browse source code at https://github.com/cran/PP


Authors: Manuel Reif [aut] , Jan Steinfeld [cre, aut]


Documentation:   PDF Manual  


Task views: Psychometric Models and Methods


GPL-3 license


Imports Rcpp

Suggests testthat, roxygen2, knitr, eRm, data.table, prettydoc

Linking to Rcpp


Imported by iarm.


See at CRAN