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### 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.
### Re…
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## question to ask chatgpt o1
polars to pandas style, create a DataFrame, must use df.loc[], not df.loc(),
```python
df = DataFrame(
{"ref": list('abcd'), 'x': [1,2,3,4], 'z': [7,8,9,6]}…
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### 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.
### Reprodu…
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Hi,
Are there any plans to add support for [Polars](https://pola.rs/), as an alternative/addition to Pandas?
One way that could ease that support is using [Narwhals](https://narwhals-dev.github.io/n…
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### 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://crates.io/crates/polars) of Polars.
### Reproduc…
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I am having issues with the `diff` function of polars within vscode: rust-analyzer does not seem to find this function, I cannot ctrl+click it to go to its definition and also I don't see any type ann…
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I was wondering, if exceptions should be unified. I came across this since I was writing a test with this code:
```py
def f(X, cols):
return nw.from_native(X, eager_only=True).select(cols)
`…
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### 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.
### Re…
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```python
import polars as pl
import pandas as pd
import narwhals as nw
import pyarrow as pa
import numpy as np
from datetime import datetime
data = {'a': [datetime(2020, 1, 1), datetime(2020…
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I think it would be useful to support specifying a model without `statsmodels.formulas.api`
### Pandas example
```python
import pandas as pd
import statsmodels.api as sm
import marginaleffects …