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
- BUG: index `to_period` - `to_timestamp` round trip with `freq` argument fails specifically with `period-start` frequencies
- ENH: Support for semi-join on index (subsetting a multi-index dataframe with a subset of the multi-index)
- ENH: Flip order of bar chart bars for multi-column data
- BUG: pyarrow dtype_backend incorrectly loads columns (from parquet) when the data stored is a list of structs and one of the struct fields has only None/null values
- BUG: pandas.read_json casts float column to int
- ENH: Add a Series method which checks whether a Series is constant
- ENH: generalize `__init__` on a `dict` to `abc.collections.Mapping` and `__getitem__` on a `list` to `abc.collections.Sequence`
- ENH: Add paramenter `index` to `drop_duplicates` to drop duplicate indices
- BUG: pd.DataFrame.set_index() detects "label" input instead of "iterator" when keys argument is a list
- BUG: groupby.first() with None values fills None value with next row
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- Python not yet supported