Github user asokadiggs commented on the pull request:
https://github.com/apache/spark/pull/8930#issuecomment-144106274
Correct - there is no separate declaration for drop_duplicates. There is a
section in dataframe.py at approximately line 1280-1285 that sets
drop_duplicates = dropDuplicates and groupby = groupBy for Pandas
compatibility. So there isn't an option to separately document drop_duplicates
or groupby.
I implemented the same solution for drop_duplicates as is already
implemented for groupby. At least for me it's readable and understandable, so
it works.
I found the test result - I'll figure out the white space error and
resubmit.
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