Nonparametric Item Response Theory

This package fits nonparametric item and option characteristic curves using kernel smoothing. It allows for optimal selection of the smoothing bandwidth using cross-validation and a variety of exploratory plotting tools.


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Reference manual

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install.packages("KernSmoothIRT")

6.1 by Brian McGuire, 5 years ago


Browse source code at https://github.com/cran/KernSmoothIRT


Authors: Angelo Mazza , Antonio Punzo , Brian McGuire


Documentation:   PDF Manual  


Task views: Psychometric Models and Methods


GPL-2 license


Imports Rcpp, plotrix, rgl

Linking to Rcpp


See at CRAN