DOC: Clarify broadcasting behavior when using lists in DataFrame arithmetic (GH18857) #61820
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
doc/source/user_guide/basics.rst
Outdated
| @@ -209,6 +209,10 @@ either match on the *index* or *columns* via the **axis** keyword: | |||
| df.sub(column, axis="index") | |||
| df.sub(column, axis=0) | |||
|
|
|||
| Be careful when using raw Python lists in binary operations with DataFrames. | |||
There was a problem hiding this comment.
i dont think this is accurate
There was a problem hiding this comment.
Made the changes kept in as same as the other file
| @@ -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. | |||
There was a problem hiding this comment.
is this sentence no longer needed?
| @@ -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. | |||
| Use .add(array, axis=0) to broadcast values row-wise, ensuring each element in the array is | |||
There was a problem hiding this comment.
i thin this is already clear from the example above
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
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.