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
- BUG: Rank on Rolling window not correct when using FixedForwardWindowIndexer
- BUG: Timespan.timestamp() surprisinly different from datetime.datetime.timestamp() for naive timestamps
- BUG: groupby sort issue when using rolling
- BUG: assign with apply over axis=1 sometimes fails when the DataFrame has zero rows
- REGR: Index.astype(<numpy string dtype>) started failing
- PERF: Indexes with arrow arrays covert the arrays to numpy object arrays, and that's very slow
- BUG: `DataFrame.dtypes` doesn't include backend for `string` columns
- BUG: `string[pyarrow]` dtype doesn't roundtrip through `pyarrow`
- DEPR,VIS: remove custom matplotlib code
- ENH: Support reduction methods on Index(?)
- Docs
- Python not yet supported