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.


Reference manual

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1.0.0 by Seock-Ho Kim, a year ago

Browse source code at

Authors: Seock-Ho Kim [aut, cre]

Documentation:   PDF Manual  

Task views: Psychometric Models and Methods

GPL (>= 2) license

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See at CRAN