Package varclust
# install_github("psobczyk/varclust")
install.packages("varclust", repos = c('https://psobczyk.r-universe.dev', 'https://cloud.r-project.org'))
Download the package as an archive and install it manually from R console
You might need to install package dependencies:
The pesel package can be installed using devtools package
install_github("psobczyk/pesel")

This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 602552.