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### Feature request
This returns error.
```python
from datasets import Dataset
dsdf = Dataset.from_dict({"x": [[1, 2], [3, 4, 5]], "y": ["a", "b"]})
Dataset.from_polars(dsdf.to_polars())
```
…
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XGBoost raises a `ValueError` when trying to train a model with a Polars dataframe with categorical data.
```python
import polars as pl
import xgboost as xgb
X = pl.DataFrame({
'num1': [1…
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Hi @vincentarelbundock - @juanitorduz pointed me towards @MarcoGorelli's [narwhals](https://github.com/narwhals-dev/narwhals) project, which solves the "two DataFrame APIs" problem for developers by a…
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### What is your suggestion?
Currently, PyArrow is required by Altair for Polars support. I think it shouldn't be too hard to remove it, given that Polars implements the dataframe interchange proto…
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The example `$df | polars dtypes` is given, which results in an error. Equivalent output can be generated with `$df | polars schema`.
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Polars dataframes are way faster, more memory efficient, and have a more ergonomic interface for transformations.
At some point, you may want to switch the backend to Polars. At least for now, I th…
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If by mistake you pass a `DataFrame` instead of a `LazyFrame` to the measurment we get from `make_private_lazyframe`, the error isn't too helpful, and the stacktrace is long
```
Traceback (mos…
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I ran into a problem with the Polars library and their approach to the Dict = Struct type (in Polars). A simple cast to String takes care of it, but I prefer to ask if there is a possibility to add fu…
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Attempting to sort a dataframe with groups and no values results in a runtime error
```elixir
dataframe = DataFrame.new(a: ["a", "b", "c"])
dataframe
|> DataFrame.group_by("a")
|> DataFrame.f…
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I can explore pandas dataframes, but not geopandas ones and I think they are not as different. I guess that the same goes with polars, and geopolars and perhaps with Dasks dataframes.
Are those th…