Multiple UniDimensional unFOLDing


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Documentation for package ‘mudfold’ version 1.1.21

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mudfold-package MUDFOLD : A nonparametric unfolding item response theory model for dichotomous preferential-choice data.
ANDRICH Andrich's attitude scale towards capital punishment
as.mudfold Function for calculating MUDFOLD statistics for a given unfolding scale.
CAM Conditional adjacency matrix (CAM) for dichotomously scored items.
coef.mdf Generic 'coef' method for S3 class '"mdf"' objects.
diagnostics MUDFOLD scale diagnostics
EURPAR2 Preferences of European party activists.
ISO Iso statistic for a given unfolding scale.
Loneliness De Jong-Gierveld loneliness scale
MAX Max statistic for a given unfolding scale.
mudfold MUDFOLD: Van Schuur's nonparametric IRT model for dichotomous responses that have been generated by an unfolding process.
mudfoldsim Function for constructing artificial item response data generated under an unfolding response process. Unfolding processes model the proximity (distance) between person and item parameters.
pick Transform items to preference binary data.
Plato7 Plato's Seven Works
plot.mdf 'plot' function for '"mdf"' class objects.
print.mdf 'print' method for '"mdf"' class objects resulted from the 'mudfold' function.
summary.mdf 'summary' method for S3 class '"mdf"' objects.