catIrt (0.4-0)
An R Package for Simulating IRT-Based Computerized Adaptive Tests.
http://cran.r-project.org/web/packages/catIrt
Functions designed to simulate data that conform to basic unidimensional IRT models (for now 3-parameter binary response models and graded response models) along with Post-Hoc CAT simulations of those models with various item selection methods, ability estimation methods, and termination criteria.
Maintainer:
Steven W. Nydick
Author(s): Steven W. Nydick
License: GPL (>= 2)
Uses: numDeriv, sfsmisc, irtoys, ltm, catR
Released 27 days ago.
2 previous versions
- catIrt_0.3-0. Released 8 months ago.
- catIrt_0.2-1. Released 10 months ago.
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