Trouble with Polars rolling
Data engineering2 posts from 2 people2d active+00 posts in the last 7 days, 0 the 7 days before (fading)Unverified
Posts per day
The posts behind it
2, newest first| Post | Date | |
|---|---|---|
| Rolling functions allow specifying negative weights### Checks - [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars. ### Reproducible example ### Log output ### Issue description Polars will happily compute...pola-rs/polarsdsprenkels | pola-rs/polarsdsprenkels1 reactions, 1 replies | Sep 102 weeks ago |
| `rolling_median` leaks future data### Checks - [x] I have checked that this issue has not already been reported. - [x] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars. ### Reproducible example ### Log output ### Issue description `rolling_median` should only...pola-rs/polarsadienes | pola-rs/polarsadienes1 reactions | Sep 52 weeks ago |
Companies and products named
About this problem
Evidence
2 posts from 2 people in 1 place, about 2 a week over 6 days. Mostly on pola-rs/polars. Tools named alongside: PyPI.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Polars with no known issue, sharing the word "rolling". First post Sep 5, 2026, latest Sep 10, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
Other Polars problems
- Polars users keep filing bugs (10)
- Trouble with Polars column (4)
- Polars upgrades break working setups (3)
- Trouble with Polars schema (3)
- Bad data slips through Polars unnoticed (2)
- Trouble with Polars join (2)
- Trouble with Polars parquet (2)
- Trouble with Polars instead (2)
- Trouble with Polars streaming (1)
- Trouble with Polars input (1)
History
- 2026-09-25 Added: Trouble with Polars rolling (2 posts)