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  1. R package which provides functions to fit IRT models for multiple choice items.

    R 6 1

  2. This package deals with data from survey designs including plausible values.

    R 4 1

  3. Person Parameter estimation (1,2,3,4PL model) and GPCM

    R 3 2

  4. Forked from hadley/r-pkgs

    Building R packages

    CSS 1

  5. Forked from christinehohensinn/pcIRT

    pcIRT is an R package for estimating IRT models for polytomous and continuous item responses. By now, it contains functions to estimate the multidimensional polytomous Rasch model (Rasch, 1961) and…


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