OpenML.org is an online machine learning platform where researchers can access open data, download and upload data sets, share their machine learning tasks and experiments and organize them online to work and collaborate with other researchers. The R interface allows to query for data sets with specific properties, and allows the downloading and uploading of data sets, tasks, flows and runs.
For more information, have a look at our
To cite the OpenML R package in publications, please use our paper entitled
R Package to Connect to the Machine Learning Platform
See also here how to cite the OpenML project itself.