https://cran.mirror.garr.it/CRAN/web/packages/OpenML/index.html
CRAN: Package OpenML
We provide an R interface to 'OpenML.org' which is an online machine learning platform where researchers can access open data, download and upload data sets,...
cranpackageopenml
https://datahub.io/core/openml-datasets/data/pc1
openml-datasets
A curated collection of tabular machine learning datasets sourced from OpenML.
openmldatasets