https://github.com/ludvigolsen/groupdata2

R-package: Methods for dividing data into groups. Create balanced partitions and cross-validation folds. Perform time series windowing and general grouping and splitting of data. Balance existing groups with up- and downsampling or collapse them to fewer groups.

balance cross-validation data data-frame fold group-factor groups participants partition rstats split staircase

Last synced: 12 Oct 2025