UDF cannot be used as window function. You can use built-in window function
or UDAF.
On Wed, Sep 20, 2017 at 7:23 PM, Simon Dirmeier
wrote:
> Dear all,
> I am trying to partition a DataFrame into windows and then for every
> column and window use a custom function (udf) using Spark's Python
> in
Dear all,
I am trying to partition a DataFrame into windows and then for every
column and window use a custom function (udf) using Spark's Python
interface.
Within that function I cast a column of a window in a m x n matrix to do
a median-polish and afterwards return a list again.
This doesn
