cross_fold
: Make 'folds' samples of the data, so all(rbind(folds)==row.names(data))=TRUE
random
: Makes iterations
random samples of size holdout * nrow(data)
multisample.cross_fold(data, folds = 10, dependent, preserve_distribution = FALSE)
multisample.random(data, holdout = 0.2, iterations = 10, dependent, preserve_distribution = FALSE)
preserve_distribution=TRUE