Update wilcoxauc.R

#' @param verbose boolean, TRUE for warnings and messages. 

#' @param ... input specific parameters. 

#'

#' @examples

#' set.seed(42)

#' x <- Matrix::rsparsematrix(nrow = 1e3, ncol = 1e4, density = 0.05)

#' y <- sample(1:3, ncol(x), replace = TRUE)

#' wilcoxauc(x, y)

#'

#' \dontrun{

#'  data(exprs)

#'  data(y)

#'

#'  ## on a dense matrix

#'  head(wilcoxauc(exprs, y))

#'

#'  ## with only some groups

#'  head(wilcoxauc(exprs, y, c('A', 'B')))

#'

#'  ## on a sparse matrix

#'  exprs_sparse <- as(exprs, 'dgCMatrix')

#'  head(wilcoxauc(exprs_sparse, y))

#'

#'  ## on a Seurat V3 object

#'  if (requireNamespace("Seurat", quietly = TRUE)) {

#'      pkg_version <- packageVersion('Seurat')

#'      if (pkg_version >= "3.0" & pkg_version < "4.0") {

#'          data(object_seurat)

#'          head(wilcoxauc(object_seurat, 'cell_type'))

#'      }

#'  }

#'

#'  ## on a SingleCellExperiment object

#'  if (requireNamespace("SingleCellExperiment", quietly = TRUE)) {

#'      data(object_sce)

#'      head(wilcoxauc(object_sce, 'cell_type'))

#'  }

#' }

#'

#' @return table with the following columns:

#' \itemize{