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: skip redundant Index.equals calls in pd.concat
- REF: standardize Arrow validation with _validate_scalar/_validate_setitem_value
- BUG: nansem with mask + skipna + axis={0,1} returns scalar np.nan instead of array of np.nan
- DOC: Document pyarrow vs python string storage differences (#63105)
- PERF: speed up read_sas string columns
- BUG: select_dtypes ExtensionDtype handling (GH#40234, GH#59888)
- PERF: faster integer column parsing in read_csv C engine
- BUG: Fix DataFrame.query when column is named inf or Inf (GH#35695)
- PERF: read_csv faster for integer and string columns
- Backport PR #63301 on branch 2.3.x (BUG: pydatetime + Timedelta[non-nano] incorrect results)
- Docs
- Python not yet supported