The data consist of a set of variables measured on several groups of individuals. To each group is associated an estimated probability density function. The R package {dad} provides tools to create or manage such data and functional methods (principal component analysis, multidimensional scaling, cluster analysis, discriminant analysis…) for such probability densities.

Rachid Boumaza, Pierre Santagostini, Smail Yousfi and Sabine Demotes-Mainard,, The R Journal (2021) 13:2, pages 179–207, DOI: 10.32614/RJ-2021-071


Install the package from the CRAN:


Or from the repository, using the devtools package:

devtools::install_git("", build_vignettes = TRUE)