Fits Psychometric Functions for Multiple Groups R package quickpsy version 0.1.5.2 CRAN Task View: Psychometrics (https://CRAN.R-project.org/view=Psychometrics) Quickly fits and plots psychometric functions (normal, logistic, Weibull or any or any function defined by the user) for multiple groups. Software Depends: R (>= 3.1.2), DEoptim, dplyr, ggplot2 Imports: MPDiR Linares Daniel <danilinares@gmail.com> Comprehensive R Archive Network (CRAN) Linares Daniel [aut, cre], L<U+00F3>pez-Moliner Joan [aut] MIT + file LICENSE (https://CRAN.R-project.org/package=quickpsy/LICENSE) 2026-03-11 application/tgz https://CRAN.R-project.org/package=quickpsy doi:10.32614/CRAN.package.quickpsy