Github user jaceklaskowski commented on a diff in the pull request: https://github.com/apache/spark/pull/18074#discussion_r118436041 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/RelationalGroupedDataset.scala --- @@ -35,12 +35,13 @@ import org.apache.spark.sql.types.NumericType import org.apache.spark.sql.types.StructType /** - * A set of methods for aggregations on a `DataFrame`, created by `Dataset.groupBy`. + * A set of methods for aggregations on a `DataFrame`, created by [[Dataset#groupBy groupBy]], + * [[Dataset#cube cube]] or [[Dataset#rollup rollup]] (and also [[pivot]]). * - * The main method is the agg function, which has multiple variants. This class also contains - * convenience some first order statistics such as mean, sum for convenience. + * The main method is the [[agg]] function, which has multiple variants. This class also contains --- End diff -- No scaladoc. I was focused on javadoc and seems I missed it. Fixed.
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