customerDF.groupBy("state").agg(max($"discount").alias("newName"))
(or .as(...), both functions can take a String or a Symbol)
On Tue, May 19, 2015 at 2:11 PM, Cesar Flores <ces...@gmail.com> wrote:
>
> I would like to ask if there is a way of specifying the column name of a
> data frame aggregation. For example If I do:
>
> customerDF.groupBy("state").agg(max($"discount"))
>
> the name of my aggregated column will be: MAX('discount)
>
> Is there a way of changing the name of that column to something else on
> the fly, and not after performing the aggregation?
>
>
> thanks
> --
> Cesar Flores
>
