Github user NarineK commented on a diff in the pull request: https://github.com/apache/spark/pull/12836#discussion_r64804537 --- Diff: R/pkg/R/DataFrame.R --- @@ -1268,6 +1268,82 @@ setMethod("dapplyCollect", ldf }) +#' gapply +#' +#' Apply a R function to each group of a DataFrame. The group is defined by an input +#' grouping column. +#' +#' @param x A SparkDataFrame +#' @param func A function to be applied to each group partition specified by grouping --- End diff -- Yes, the key and the Dataframe with the grouping columns.
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