Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/11336#discussion_r82907977 --- Diff: R/pkg/R/DataFrame.R --- @@ -1168,12 +1179,14 @@ setMethod("take", #' Head #' -#' Return the first \code{num} rows of a SparkDataFrame as a R data.frame. If \code{num} is not -#' specified, then head() returns the first 6 rows as with R data.frame. +#' Return the first elements of a dataset. If \code{x} is a SparkDataFrame, its first +#' rows will be returned as a data.frame. If the dataset is a \code{Column}, its first +#' elements will be returned as a vector. The number of elements to be returned +#' is given by parameter \code{num}. Default value for \code{num} is 6. #' -#' @param x a SparkDataFrame. -#' @param num the number of rows to return. Default is 6. -#' @return A data.frame. +#' @param x A SparkDataFrame or Column --- End diff -- for something like this the convention we have is to add the @param in generics.R - you can see other examples there
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