birtr (1.0.0)

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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.

Maintainer: Seock-Ho Kim
Author(s): Seock-Ho Kim [aut, cre]

License: GPL (>= 2)

Uses: testthat

Released over 2 years ago.



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