Packages by Shenghai Dai

DIFplus — 1.1

Multilevel Mantel-Haenszel Statistics for Differential Item Functioning Detection

ROCpsych — 1.3

Compute and Compare Diagnostic Test Statistics Across Groups

TestDataImputation — 2.3

Missing Item Responses Imputation for Test and Assessment Data

subscore — 3.3

Computing Subscores in Classical Test Theory and Item Response Theory