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Posted to user@spark.apache.org by Georg Heiler <ge...@gmail.com> on 2016/11/17 16:36:34 UTC

Fill na with last value

How can I fill nan values in spark with the last or the last good known
value?

Here is a minimal example http://stackoverflow.com/q/40592207/2587904
So far I tried a window function but unfortunately received only nan
values.

Kind regards
Georg