DOC: Clarify broadcasting behavior when using lists in DataFrame arithmetic (GH18857) #61820
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| 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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can you answer here? why get rid of this?
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@jbrockmendel Can you please help me merge this PR. I have made the changes. |
| 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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Thanks for the pull request, but it appears to have gone stale. If interested in continuing, please merge in the main branch, address any review comments and/or failing tests, and we can reopen. |
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dsintro.rstto show how adding a list returns a Series of arrays.basics.rstto explain that lists are not broadcasted element-wise, unlike NumPy arrays or Series.