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Added links to useful discussions of groupby and SettingWithCopyWarning #21916

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3 changes: 3 additions & 0 deletions doc/source/groupby.rst
Original file line number Diff line number Diff line change
Expand Up @@ -1366,3 +1366,6 @@ column index name will be used as the name of the inserted column:
result

result.stack()

Additional discussion can be found at `https://pythonforbiologists.com/when-to-use-aggregatefiltertransform-in-pandas/
<https://pythonforbiologists.com/when-to-use-aggregatefiltertransform-in-pandas/>`_.
3 changes: 3 additions & 0 deletions doc/source/indexing.rst
Original file line number Diff line number Diff line change
Expand Up @@ -1919,3 +1919,6 @@ This will **not** work at all, and so should be avoided:
The chained assignment warnings / exceptions are aiming to inform the user of a possibly invalid
assignment. There may be false positives; situations where a chained assignment is inadvertently
reported.

For additional discussion and explanation, see `https://www.dataquest.io/blog/settingwithcopywarning/
<https://www.dataquest.io/blog/settingwithcopywarning/>`_.