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
- API: `future.default_arg` for method-specific behavior changes
- BUG: inconsistent return types from __getitem__ vs iteration
- BUG: set_index with pyarrow timestamp type does not produce DatetimeIndex
- BUG: `transform("cumcount")` returns a Series instead of a Dataframe.
- BUG: Parquet roundtrip fails with numerical categorical dtype
- PERF: regression on mean(axis=1) compared to old pandas version
- BUG: `csv.QUOTE_NOTNULL` doesn't seem to be supported by `DataFrame.to_csv()`, but there's no error and it's not documented
- TST: Make test_sql.py parallelizable
- BUG: subtle conversion issue for to_datetime
- BUG: spearman correlation doesn't work on non-numeric data
- Docs
- Python not yet supported