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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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### System Info
python 3.11, pandas-ai 2.2.14, ubuntu 22.04
### 🐛 Describe the bug
I'm looking for a way to work with large parquet files without loading entirely into RAM. This is incredibly wel…
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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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### Description
**Feature Request:**
I would like to request a feature in Polars that allows handling duplicate timestamps in rolling operations in a way that mimics Pandas' behavior.
Related iss…
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Hello,
I wanted to report this error when running `motif discovery`.
```
Traceback (most recent call last):
File "/Accounts/gkanaan/miniconda3/nanomotif/bin/nanomotif", line 8, in
sys.…
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### We would like to learn about your use case. For example, if this feature is needed to adopt Narwhals in an open source project, could you please enter the link to it below?
This would enable…
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Hi folks, `Daft` is on track to become something really great.
Do you have plans to support special types of `join`, like `rolling joins` and others described in the links below? These kind of ope…
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### Polars version 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 Pola…
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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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### Description
In the actual scenario, I consider how to calculate the spearman correlation matrix with a dataframe of 2 million multiplied by 4000 variables, and the calculation efficiency is hi…