create_folds and partition have received a shuffle option to shuffle rows within folds/partitions. The default is FALSE.create_folds and partition cannot return empty folds/partitions anymore. This impacts only extremely small data sets.create_timefolds now allows also moving windows training data, not just extending windows data.Reduced minimally required R version from 3.5 to 3.1.
Added type = "blocked" to create_folds and partition to allow for blocked splitting.
Added function create_timefolds for cross-validation of time series data.
Added vignette
This is the initial CRAN release.