polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Ability to set masked values within each group in groupby context
- polars cumsum over a group is slower than pandas groupby cumsum
- Unique / Duplicate Enhancements
- Support changing the thread pool size during runtime
- Memory leaks when reading multiple csv files
- Add version info (changelog) to docs
- Add ability to assign sequence of values to new column during groupby (Rust)
- Add pythonic slicing to array expressions
- scan_ds with S3 Dataset Errors on Curl Function
- Implement `ndarray::AsArray` on `DataFrame`
- Docs
- Rust not yet supported