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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
Browse package contents
Package details |
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| Author | Seock-Ho Kim [aut, cre] |
| Maintainer | Seock-Ho Kim <shkim@uga.edu> |
| License | GPL (>= 2) |
| Version | 1.0.0 |
| Package repository | View on CRAN |
| Installation |
Install the latest version of this package by entering the following in R:
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