polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- fix(rust): Fix numerical instability in skew calculation
- `sink_parquet` errors with `polars.exceptions.SchemaError` when `write_parquet` does not
- `replace` with invalid args PanicException
- Allow to replace root node in expression
- allow for `read_excel` `schema_overrides` to use column *numbers* or positions
- Streaming `is_in` is significantly slow and not parallelized
- Fixed width binary file reader and writer.
- Function to promote row as header
- fix(python): Improve python literal return types of series methods
- Proposal for `to_dummies` on `LazyFrames` by adding optional `categories` param
- Docs
- Rust not yet supported