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.

Getting started

Package details

AuthorSeock-Ho Kim [aut, cre]
MaintainerSeock-Ho Kim <[email protected]>
LicenseGPL (>= 2)
Package repositoryView on CRAN
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birtr documentation built on Oct. 4, 2017, 5:06 p.m.