The stable version of fitdistrplus can be installed from CRAN using:install.packages("fitdistrplus")The development version of fitdistrplus can be installed from GitHub (remotes needed):if (!requireNamespace("remotes", quietly = TRUE)) install.packages("remotes") remotes::install_github("aursiber/fitdistrplus")Finally load the package in your current R session with the following R command:library(fitdistrplus)