pandas
https://github.com/pydata/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: `groupby.agg` with `as_index=False` and duplicate columns in `by` fails with `pd.NamedAgg`.
- BUG: Assigning datetime to pa.date32() type array should raise
- BUG: `pd.concat` does not maintain `timestamp[s][pyarrow]` index type. (`MultiIndex`)
- BUG: np.bool_(False) & pd.NA gives pd.NA
- BUG: Adding two series with pd.Series.add can change the dtype in unexpected ways.
- DEPR: nested parse_dates in read_csv
- Bug: fix Series.str.split when 'regex=None' for series having 'pd.ArrowDtype(pa.string())' dtype
- BUG: not reproducible error `FloatingPointError: overflow encountered in multiply` in the following sequence: read_csv followed by to_datetime with pandas version 2.2.2
- ENH: Add index_col parameter to the Dataframe constructor
- BUILD: Pandas 2.1.1 DLL load failed
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