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In the example notebook we see rolling OLS done in the .rolling() context, and the text itself says it's a little slow. Well, [polars_ols](https://github.com/azmyrajab/polars_ols/) has an optimized ve…
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https://www.pola.rs/
https://pypi.org/project/polars/
https://pola-rs.github.io/polars/py-polars/html/reference/
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### 💭 Description
### Description
Vaex is a fast memory mapping engine; better than Pandas for Dataframe management. However it is not available in `Python >=3.11` as of June 2024, (https://github…
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* [ ] Add a `to_polars()` method that forwards arguments to `to_table()`
* [ ] Validate vector columns become sensible types in Polars
* [ ] Support passing Lance table to Lazy API so that we have n…
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### Description
It looks like [ParquetDataNode](https://docs.taipy.io/en/latest/manuals/reference/taipy.core.data.ParquetDataNode/) assumes you're using pandas, it would be nice if it supported Polar…
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In this section, when I run this code block, I get an error.
import subprocess
command = """\
PYTHONPATH=$(pwd):$PYTHONPATH ./scripts/build_dataset.py \
--config-path="$(pwd)/sample_data/" \…
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**Is your feature request related to a problem? Please describe.**
If a plan contains nested unions/concats, we can instead flatten those to a single operation
Example:
```py
df.concat(df.conca…
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Currently all the backends we support implement the full Narwhals API, which includes expressions
But if someone just needs to inspect schemas and some other simple things, it should be possible to…
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### Description
I'm planning to develop a new package which has polars as a dependency. There is also polars-lts-cpu package for old processors. The issue is that they cannot be installed at the sa…
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### Description
There is no behavior to remove `NaN` from `Expr.list` that functions similarly to `Expr.list.drop_nulls()`.
This would be nice to have, since `Expr.drop_nans()` already exists.
Th…