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
- Require 2FA on github
- PERF: Slow hdf_read on 10+ million row data + My fix
- BUG: `df.eval` can't concatenate string column and string via `+`
- BUG: Rolling std() error
- API: Consistent handling of duplicate input columns
- BUG: `groupby(dropna=True).bfill()`/`.ffill()` returns incorrect result
- BUG: wrong BACKTICK_QUOTED_STRING prefix in DataFrame.eval()
- PERF: pd.read_parquet() consistently slower than pq.read_table().to_pandas()
- BUG: Adding a random function argument to DataFrameGroupBy.aggregate changes the grouping object from Series to DataFrame.
- BUG: Different colors for NA in `df.style.background_gradient()`
- Docs
- Python not yet supported