DACF: Data Analysis with Ceiling and/or Floor Data

An implementation of data analytic methods in R for analyses for data with ceiling/floor effects. The package currently includes functions for mean/variance estimation and mean comparison tests. Implemented methods are from Aitkin (1964) <doi:10.1007/BF02289723> and Liu & Wang (2021) <doi:10.3758/s13428-020-01407-2>.

Package details

AuthorQimin Liu [aut, cre], Lijuan Wang [aut], Lauren Trichtinger [aut], Grace Murray [ctb]
MaintainerQimin Liu <Qliuacademia@gmail.com>
LicenseGPL-2
Version1.1.0
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("DACF")

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DACF documentation built on July 17, 2026, 1:07 a.m.