pandas-dev/pandas: 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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pandas's Language Statistics

Star history of pandas
Issue history of pandas

pandas Recent Issues

Issue Title State Comments Created Date Updated Date Closed Date
DOC: `is_float_dtype` meant to be an internal function?? open 4 2022-08-15 2022-08-09 -
TYP: pd.merge annotation is incorrect open 1 2022-08-15 2022-08-09 -
DOC: DatetimeIndex says that data is optional, but it is not open 0 2022-08-15 2022-08-09 -
BUG: display.max_seq_items set to `0` is treated as `None` closed 4 2022-08-15 2022-08-09 2022-08-15
BUG: DataFrame.select_dtypes returns reference to original DataFrame open 0 2022-08-15 2022-08-09 -
DOC: Styler.to_latex link is broken in DataFrame.to_latex documentation open 3 2022-08-15 2022-08-09 -
ENH: add `regex=False` option to pandas.Series.str.match and fullmatch (like in str.contains) open 0 2022-08-15 2022-08-09 -
ENH: alleviate issues with inconsistent multi-level joining on a 0-column merge table open 1 2022-08-15 2022-08-09 -
BUG: pd.cut creates NaNs instead of expected bins for Timestamps. Behaviour is DIFFERENT for list and Series, with IntervalIndex and DatetimeIndex open 0 2022-08-15 2022-08-09 -
ENH: Move column levels in multi column index to another position open 5 2022-08-14 2022-08-09 -
BUG: subclassing `CustomBusinessDay` returns init error closed 10 2022-08-13 2022-08-09 2022-08-15
ENH: Avoid casting to int64/uint64 for GroupBy.sum and others before calling cython functions open 0 2022-08-13 2022-08-09 -
Adding obvious type hints to pandas closed 2 2022-08-13 2022-08-09 2022-08-13
STYLE: upgrade flake8 closed 7 2022-08-12 2022-08-09 2022-08-14
DOC: "Creating a Python environment" in "Creating a development environment" needs update open 8 2022-08-12 2022-08-09 -
BUG: Rolling operations on groupby with apply behaves differently from looping the window. open 1 2022-08-12 2022-08-09 -
BUG: Weird Behavior of astype(bool) for np.nan open 1 2022-08-12 2022-08-09 -
ENH: Deny/permit configuration for read_pickle to address security concerns closed 7 2022-08-11 2022-08-09 2022-08-13
ENH: Add option to `read_sas` to infer encoding from file, then use encoding open 0 2022-08-11 2022-08-09 -
CI: setuptools 64.0.0 breaks our builds open 5 2022-08-11 2022-08-09 -
Unclear error statement printed when `python ./scripts/validate_docstrings.py --errors=PR02` is run open 0 2022-08-11 2022-08-09 -
ENH: allow `convert_css` in `Styler.to_latex` to parse css classes set with `set_td_classes` and `set_table_styles` open 15 2022-08-11 2022-08-09 -
DOC: "Committing your code" in "Contributing to pandas" needs update open 3 2022-08-11 2022-08-09 -
BUG: `Series.replace` converts `np.nan` into `pd.NaT` implicitly open 0 2022-08-11 2022-08-09 -
BUG: Union of multi index with EA types can lose EA dtype open 5 2022-08-11 2022-08-09 -
ENH: Add rolling.prod() open 4 2022-08-10 2022-08-09 -
CLN: Refactor groupby's _make_wrapper open 2 2022-08-10 2022-08-09 -
DEP: Add pip to environment.yml open 4 2022-08-10 2022-08-16 -
BUG: Merge "cross" will assert on systems with FIPS enforcement closed 2 2022-08-10 2022-08-09 2022-08-11
BUG: merge: order when merging on index not preserved open 2 2022-08-10 2022-08-09 -
BUG: on_bad_lines=callable does not invoke callable for all bad lines open 4 2022-08-10 2022-08-09 -
DOC: Mention styler in the to_excel documentation open 10 2022-08-10 2022-08-09 -
DEPR: parse dates with `pyarrow` when `engine='pyarrow'` is specified open 8 2022-08-09 2022-08-09 -
Update pyarrow dependency open 2 2022-08-09 2022-08-09 -
WEB: Standardize website/docs footer open 4 2022-08-09 2022-08-09 -
QST: to_perioddelta closed 3 2022-08-07 2022-08-08 2022-08-15
ENH: improve `Period` parsing open 0 2022-08-07 2022-08-08 -
BUG: pd.cut(df, bins=N) current behavior is incorrect, returns float where int is the limit open 3 2022-08-06 2022-08-16 -
ENH: Adding back lookup or value setting by indices open 2 2022-08-06 2022-08-16 -
BUG: Pandas 1.4.x - calling groupBy(...).apply(func) on an empty dataframe invokes func open 1 2022-08-05 2022-08-16 -
BUG: Dataframe.to_xml() fails with control characters closed 2 2022-08-05 2022-08-16 2022-08-11
ENH: support pd.NA in "category" dtype closed 3 2022-08-05 2022-08-15 2022-08-08
BUILD: Bump Cython again to (at least) 0.29.31 open 0 2022-08-05 2022-08-07 -
DOC: Signature information for groupby.aggregate does not include Named Aggregation open 0 2022-08-04 2022-08-13 -
BUG: pivot_table downcasting dtypes even if not necessary open 0 2022-08-04 2022-08-13 -
QST: How to locate data correctly in dataframe which read from csv? closed 1 2022-08-04 2022-08-13 2022-08-04
BUG: DataFrame apply is swallowing exceptions closed 1 2022-08-04 2022-08-13 2022-08-04
STYLE check pandas doesn't use external package when that package is vendored open 0 2022-08-04 2022-08-13 -
BUG: `pd.Grouper` creates empty groups (and in doing so is inconsistent with `groupby`) with `pd.DatetimeIndex` open 11 2022-08-04 2022-08-14 -
BUG: read_csv with engine pyarrow doesn't handle parsing multiple date columns open 1 2022-08-04 2022-08-13 -