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regDIF (version 1.1.1)

regDIF-package: Regularized differential item functioning for IRT and CFA models.

Description

Regularized Differential Item Functioning

Arguments

Author

William Belzak wbelzak@gmail.com

Details

regDIF is a package that performs regularization of differential item functioning (DIF) in item response theory (IRT) and confirmatory factor analysis (CFA) models using a penalized expectation-maximization algorithm.