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: Inconsistent date time handling with serialized data
- BUG: cumsum/cumprod raises ArrowInvalid: overflow on integer ArrowDtypes instead of upcasting
- BUG: memory_usage(deep=True) under-reports by ~4x for arrow-backed string Index once the engine is built
- BUG: partial-string slicing on a PeriodIndex with an anchored freq resolves bounds one period early
- BUG: DataFrame constructor raises AttributeError on Sequences other than list/tuple/range (GH#27539)
- BUG: Fix boolean column indexer for single-column EA-backed ExtensionBlocks
- REGR: Index.astype(<numpy string dtype>) started failing (GH#50127)
- BUG: online ewm ignoring decay for single-column frames
- BUG/API: ewm with equally spaced times disagrees with no-times for adjust=False, ignore_na=False on NaN data
- BUG: tz-aware series with NaT raises exception on .to_numpy("datetime64")
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