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@Shashwat1001 Shashwat1001 commented Jul 9, 2025

  • Clarifies the behavior when using Python lists in arithmetic operations with DataFrames.
  • Adds an example in dsintro.rst to show how adding a list returns a Series of arrays.
  • Adds a note in basics.rst to explain that lists are not broadcasted element-wise, unlike NumPy arrays or Series.
  • Fixes DOC: improve docs for broadcasting behavior #18857.

@Shashwat1001 Shashwat1001 marked this pull request as draft July 9, 2025 18:26
@Shashwat1001 Shashwat1001 marked this pull request as ready for review July 15, 2025 07:55
@@ -209,7 +209,12 @@ either match on the *index* or *columns* via the **axis** keyword:
df.sub(column, axis="index")
df.sub(column, axis=0)

Furthermore you can align a level of a MultiIndexed DataFrame with a Series.
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is this sentence no longer needed?

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Done with changes

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can you answer here? why get rid of this?

@Shashwat1001
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@jbrockmendel Can you please help me merge this PR. I have made the changes.

@@ -650,6 +650,13 @@ row-wise. For example:

df - df.iloc[0]

Use .add(array, axis=0) to apply row-wise broadcasting when the array length matches the number of rows —
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the next line says that this is all already covered in :ref:\`flexible binary operations <basics.binop>\

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DOC: improve docs for broadcasting behavior
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