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Nonlinear CUB models: the R code

digital Nonlinear CUB models: the R code
Article
journal STATISTICA & APPLICAZIONI
issue STATISTICA & APPLICAZIONI - 2014 - 2
title Nonlinear CUB models: the R code
authors
publisher Vita e Pensiero
format Article | Pdf
online since 10-2015
issn 18246672 (print)
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Nonlinear CUB models have been recently introduced in the literature to model ordinal data taking into account the unequal spacing among response categories. Nonlinear CUB models can be effectively used in a variety of fields, typically when human perceptions and attitudes are measured by questionnaires with questions having ordered response categories. This paper introduces the code developed in the free software environment R for Nonlinear CUB estimation, graphical representation of a variety of outputs, fit evaluation, along with data simulation according to the Nonlinear CUB data generating process.