Rob

feat: Implement `round` and `truncate` for Duration columns

15

Closes #12417 I tried to match the behavior of `dt.round` and `dt.truncate` for dates and datetimes as closely as possible. Since `dt.round` is experimental, I wanted to highlight: - Rounding...

BUG: Adjust eval environment for stack depth

3

- [x] closes #9037 - [x] tests added / passed. - [x] properly formatted commit message. See [NumPy's guide](https://docs.scipy.org/doc/numpy-1.15.1/dev/gitwash/development_workflow.html#writing-the-commit-message). This PR fixes the formula environment for the conditional logit and...

Polars will currently [round dates and datetimes to negative durations](https://github.com/pola-rs/polars/pull/12597#issuecomment-2008161686): ``` In [16]: pl.Series([datetime(2020, 2, 15)]).dt.round('-1mo') Out[16]: shape: (1,) Series: '' [datetime[μs]] [ 2020-02-01 00:00:00 ] ``` (Except not during...

BUG: Fix `is_unique` regression for slices of `Index`es

7

- [x] closes #57911 - [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature - [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit). - [ ] Added [type...

BUG: Let `melt` name multiple variable columns for labels from a `MultiIndex`

3

- [x] closes #58033 - [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature - [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit). - [ ] Added [type...