polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Create missing combinations of variables (like `tidyr::complete()` in R)
- Add support for Apache ORC format
- Memory allocation fails for flattening lists in streaming lazy pipeline
- Build Python polars wheels with PGO
- qcut to make equally-sized bins (just like R's ntile)
- Support GitHub codespaces
- Support different time resolutions in join_asof
- Support negative indexing in `head` and `tail` for expressions
- Add way to specify date format in read_csv
- When writing to a database, we should be able to set indices
- Docs
- Rust not yet supported