pandas
https://github.com/pandas-dev/pandas
Python
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
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- Issues
- PERF: Specify `how` when calling `merge._factorize_keys` when possible
- BUG: Fix str.replace with empty pattern hanging on pyarrow backend
- BUG: fix `str.replace("", ..)` with empty pattern hanging when using pyarrow
- BUG: .loc with mixed scalar/slice on MultiIndex now drops scalar-keyed levels
- ENH/BUG: Utilize `_values_for_json` in `Series.to_json`
- Parquet IO: also use zoneinfo timezones by default even when pyarrow uses pytz
- ENH: `DataFrame.set_axis` to suppor a `mapper/function` in its 1st argument
- DOC: Add practical example for removing duplicate rows
- BUG: fix read_parquet failing with TimedeltaIndex column (#59692)
- BUG: Regression - `df[key] = df[key] / x` silently drops assignment on MultiIndex columns with mixed-dtype level and single sub-column
- Docs
- Python not yet supported