polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add dt.quarter_start, dt.quarter_end, dt.year_start and dt.year_end
- ShapeError when applying map_elements on an Object type column
- Improve is_in support on multiple columns
- Documentation for map_batches / map_elements / map_groups / map_rows is confusing
- Read_csv does not infer the schema correct with leading whitespace
- Typing error with SchemaDict
- Negative n argument for GroupBy.tail and GroupBy.head
- shift with default value on a struct does not fill all the fields
- Add the option to use Spearman's rank correlation in polars.DataFrame.corr
- Recognize `pd.Timestamp` values in `Series` constructor
- Docs
- Rust not yet supported