DOC: Clarify pivot_table fill_value description #32618
Merged
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black pandas
git diff upstream/master -u -- "*.py" | flake8 --diff
Clarify that
fill_value
gets used after performing the aggregation (i.e. it fills values in the resulting pivot table).(Depending on the aggfunc and df, the result will be different if performing the filling before/after aggregation).
Actually, why not remove it, requiring the user to more explicitly do
df.pivot_table(...).fillna(...)
?