PerFit: Person Fit
Version 1.4.1

Several person-fit statistics (PFSs) are offered. These statistics allow assessing whether individual response patterns to tests or questionnaires are (im)plausible given the other respondents in the sample or given a specified item response theory model. Some PFSs apply to dichotomous data, such as the likelihood-based PFSs (lz, lz*) and the group-based PFSs (personal biserial correlation, caution index, (normed) number of Guttman errors, agreement/disagreement/dependability statistics, U3, ZU3, NCI, Ht). PFSs suitable to polytomous data include extensions of lz, U3, and (normed) number of Guttman errors.

Package details

AuthorJorge N. Tendeiro
Date of publication2016-10-17 14:10:18
MaintainerJorge N. Tendeiro <[email protected]>
LicenseGPL (>=2)
Version1.4.1
Package repositoryView on R-Forge
Installation Install the latest version of this package by entering the following in R:
install.packages("PerFit", repos="http://R-Forge.R-project.org")

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PerFit documentation built on May 31, 2017, 5 a.m.