NEWS

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DFIT 1.2

• added Multiple Groups DIF functions to compute MG-NCDIF

DFIT 1.1 (2021-08-17)

• added functions for importing item parameters from mirt (Chalmers, 2012)

DFIT 1.0-3 (2017-01-06)

• fixed citation to Raju, van der Linden & Fleer's 1995 paper.
• now imports stats functions that resulted in no visible bindings in more recent versions of R.
• added citation to JSS paper.

DFIT 1.0-2 (2015-02-01)

• fixed CITATION

DFIT 1.0-1 (2014-07-15)

• added functionality to CutoffIpr so that it may calculate the asymptotic variance-covariance matrices without
• providing them. Also added parameter nullGroup to specify which item parameters should be considered for the item
• replicates when calculated by the function.
• added logistic parameter to DeltaMhIrt function
• removed use of not exported functions in the demos