polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- write_excel() - support additional engines
- rolling by not yet supported for series with null value, panics for dynamic but not for fixed window
- [FEAT]: `rolling_map()` should copy `.rolling()` + `.map_elements()`
- Handle nulls in df.corr()
- DataFrame.write_json does not convert all rows
- Misleading error message when passing a DataFrame to assert_series_equal, or a Series to assert_frame_equal
- cannot add `&std::string::String` to `std::string::String` when `use use polars::prelude::*;`
- Strict cast of Duration/Datetime to higher precision may overflow
- Missing documentation for how various formats are turned into polars dataframes
- feat: Allow CSV parsing into Array dtypes
- Docs
- Rust not yet supported