#' @param switch switch parameter for facet_grid. See \code{ggplot2::\link[ggplot2]{facet_grid}}.  By default, the labels are displayed on the top and right of the plot. If \code{"x"}, the top labels will be displayed to the bottom. If \code{"y"}, the right-hand side labels will be displayed to the left. Can also be set to \code{"both"}
