Github user aray commented on a diff in the pull request:
https://github.com/apache/spark/pull/18786#discussion_r130620399
--- Diff: R/pkg/R/DataFrame.R ---
@@ -2973,15 +2974,51 @@ setMethod("describe",
dataFrame(sdf)
})
+#' summary
+#'
+#' Computes specified statistics for numeric and string columns.
--- End diff --
This is unchanged from before. The stats are only computed for
`NumericType` and `StringType` columns. Of course the only ones that are non
null for strings are count, min, and max.
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