The R Package CDM for Cognitive Diagnosis Models

Ann Cathrice George, Alexander Robitzsch, Thomas Kiefer, Jürgen Groß, Ali Ünlü
Vol. 74, Issue 2

PerFit: An R Package for Person-Fit Analysis in IRT

Jorge N. Tendeiro, Rob R. Meijer, A. Susan M. Niessen
Vol. 74, Issue 5

Stochastic Newton Sampler: The R Package sns

Alireza S. Mahani, Asad Hasan, Marshall Jiang, Mansour T. A. Sharabiani
Vol. 74, Code Snippet 2

Political Analysis Using R

James P. Howard, II
Vol. 74, Book Review 1