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David Magis

3 packages 1 year on CRAN

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difR
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nFactors
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irtQ
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Recent Activity

difR new v6.1.0 Mar 10, 2026

Collection of Methods to Detect Dichotomous, Polytomous, and Continuous Differential Item Functioning (DIF)

irtQ new v1.0.0 Mar 10, 2026

Unidimensional Item Response Theory Modeling

nFactors new v2.4.1.2 Mar 10, 2026

Parallel Analysis and Other Non Graphical Solutions to the Cattell Scree Test

Co-authored Packages

2 packages

Package Version
difR 6.1.0
nFactors 2.4.1.2

Contributions

1 package

Package Version
irtQ 1.0.0