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Not sure how `cells.parquet` is being generated.... but we could try to be smart about the underlying data types used in the file to improve the file size. Avoiding text files, we have a lot more knob…
manzt updated
2 weeks ago
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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…
t-ded updated
5 hours ago
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## Description
Is it possible to expose the [folds](https://docs.pola.rs/user-guide/expressions/folds) API from Polars?
I have a problem that I think can be solved via that API (I'm not entirely…
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Hi @jrosell, I have a question regarding the code you benchmark. You say in the README:
> I've added a file copy and file reading steps in each benchmark method to be sure to compare the pipelines …
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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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Hi!
I'm attempting to use ont-spectre for CNV calling on our data by using the following command:
```
spectre CNVCaller \
--bin-size 1000 \
--coverage $MOSDEPTH \
--sample-id $SAMPLE \…
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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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Errors out with polars==0.20.10
```python
File [~/.venv/lib/python3.11/site-packages/polars_istr/_utils.py:30](https://vscode-remote+wsl-002bubuntu-002d22-002e04.vscode-resource.vscode-cdn.net/hom…
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So Polars is a replacement for Pandas written in Rust (https://pola.rs/) which can be 10-100x faster than Pandas depending on the operations.
However, it's still not fully compatible with certain thi…
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It seems to take 100 times longer than the conversion from `arrow::Table`.
Could `arrow` be using ALTREP to make the materialization later?
Details
``` r
library(polars)
library(arrow, wa…