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christinehohensinn
pcIRT:IRT Models for Polytomous and Continuous Item Responses
Estimates the multidimensional polytomous Rasch model (Rasch, 1961) and the Continuous Rating Scale model (Mueller, 1987).
Maintained by Christine Hohensinn. Last updated 7 years ago.
5 stars 3.54 score 14 scripts
cran
birtr:The R Package for "The Basics of Item Response Theory Using R"
R functions for "The Basics of Item Response Theory Using R" by Frank B. Baker and Seock-Ho Kim (Springer, 2017, ISBN-13: 978-3-319-54204-1) including iccplot(), icccal(), icc(), iccfit(), groupinv(), tcc(), ability(), tif(), and rasch(). For example, iccplot() plots an item characteristic curve under the two-parameter logistic model.
Maintained by Seock-Ho Kim. Last updated 7 years ago.
1.00 score