TST: Determine groupby-transform not convert back type #50754
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phofl
reviewed
Jan 15, 2023
| result = df.groupby("a")["val"].transform(lambda x: f"+{x}").dtype | ||
| original = df["val"].dtype | ||
| expected = df["val"].transform(lambda x: f"+{x}").dtype | ||
| assert result != original |
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How does it look this time?
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Could you test all cases from the issue?
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Is that what you mean, I'm not quite sure I fully understand what you mean.
Does this direct listing of result and excepted need to be further optimized?
mroeschke
added
Testing
mroeschke
approved these changes
Jan 17, 2023
|
Thanks @luke396 |
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.