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: Tests fragile with respect to the system locale
- BUG: na_value = None in ExtensionDtype causes ExtensionArray tests to fail
- DOC: Hexbin creates inconsistent size of hexagons for nearly the same data, depending on distance from axis limits
- BUG: groupby(..., dropna=False).filter() never includes rows with NaNs in the index
- BUG: Inconsistency between behavior of cumsum when applied directly, and when applied within groupby.
- BUG: pd.Timedelta breaks hash invariant
- REF: Unify creation of dataframe for C and Python parser engines
- BUG/API: Inconsistent index result for groupby().rolling(on=...) between Series and DataFrame
- ENH: Warning with only one column used in `apply` causing performance issues
- BUG: dataframe.replace({np.nan: None}) failed when replaced even number of times
- Docs
- Python not yet supported