Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/18025#discussion_r122132206 --- Diff: R/pkg/R/functions.R --- @@ -85,17 +100,20 @@ setMethod("acos", column(jc) }) -#' Returns the approximate number of distinct items in a group +#' @section Details: +#' \code{approxCountDistinct}: Returns the approximate number of distinct items in a group. #' -#' Returns the approximate number of distinct items in a group. This is a column -#' aggregate function. -#' -#' @rdname approxCountDistinct -#' @name approxCountDistinct -#' @return the approximate number of distinct items in a group. +#' @rdname column_aggregate_functions #' @export -#' @aliases approxCountDistinct,Column-method -#' @examples \dontrun{approxCountDistinct(df$c)} +#' @aliases approxCountDistinct approxCountDistinct,Column-method +#' @examples +#' --- End diff -- extra newline?
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