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Just saw an example in this SO question, the use of idxmax()
on a groupby object:
df.groupby(...).idxmax()
This worked in 0.12, but not anymore in 0.13 as it is not in the whitelist.
- Should this be added to the whitelist? (idxmax/idxmin for SeriesGroupby) I think this is a usefull method on a groupby object.
- I got an AttributeError and not a DeprecationWarning. There was spoken of a deprecation first (BUG: value_counts / shift not in groupby dispatch whitelist (0.12-dev) #5480), but was it decided not to do it?
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