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DOC : Updated the comparison with spreadsheets with GroupBy #39965

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Updated the comparison with spreadsheets with GroupBy
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Update doc/source/getting_started/comparison/comparison_with_spreadsh…
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21 changes: 21 additions & 0 deletions doc/source/getting_started/comparison/comparison_with_spreadsheets.rst
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Expand Up @@ -365,6 +365,27 @@ In Excel, there are `merging of tables can be done through a VLOOKUP
* It will include all columns from the lookup table, instead of just a single specified column
* It supports :ref:`more complex join operations <merging.join>`

GroupBy
-------

In Excel, this can be done by using the `Query Editor <https://support.microsoft.com/en-us/office/introduction-to-the-query-editor-power-query-1d6cdb63-bf70-4ae8-a7d5-6ae9547004d9>`_.
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This page says it will be retired soon, perhaps https://support.microsoft.com/en-us/office/about-power-query-in-excel-7104fbee-9e62-4cb9-a02e-5bfb1a6c536a is better.

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Done.


.. image:: ../../_static/spreadsheets/group-by.png
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Right now, this section duplicates content from the canonical documentation, which doesn't add any value. I suggest we either:

  • Walk them through an example in Excel that matches the pandas example below, so we are comparing apples to apples
  • Cut from "Then using the…" through this image

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@afeld - are you good here?

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Reviewing this again, I see that the requested change was not made. I also agree that having an excel example that matches the pandas example would be desirable.

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@Bhard27 Are you able to update the excel image to match the pandas example below?


The equivalent in pandas:
We can use :meth:`~DataFrame.groupby`.
For example -

.. ipython:: python

df = pd.DataFrame(
{
'Animal': ['Falcon', 'Falcon', 'Parrot', 'Parrot'],
'Max Speed': [380., 370., 24., 26.],
}
)
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We have an outstanding task in #38990 around standardizing the example datasets used in the page. Totally fine to take care of that as follow-up; just noting.

df
df.groupby(['Animal']).mean()

Other considerations
--------------------
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