Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/13721#discussion_r67582902
--- Diff: R/pkg/R/DataFrame.R ---
@@ -2908,3 +2908,39 @@ setMethod("write.jdbc",
write <- callJMethod(write, "mode", jmode)
invisible(callJMethod(write, "jdbc", url, tableName, jprops))
})
+
+#' randomSplit
+#'
+#' Return a list of randomly split dataframes with the provided weights.
--- End diff --
Could we explain that the dataframes are split by rows ? Its not really
clear what randomSplit means without some context otherwise.
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