polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Rolling functions allow specifying negative weights
- fix: Disallow rolling functions negative weights
- fix(python): Fix `filter`/`remove` raising `TypeError` when all predicates are no-op scalars
- Rolling computes the wrong window when offset is not the negation of period (in-memory engine)
- fix: Raise instead of panicking when a dtype cannot be row encoded
- fix: Treat scalar columns as having no chunk layout
- perf(rust): Sort Categorical lexically via map -> sort -> unmap
- docs(python): Refresh the ADBC section of the database IO guide
- refactor: Unify the three column-resolution helpers
- Feature request: Add Wilder's Smoothing / Moving Average (rma)
- Docs
- Rust not yet supported