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
ENH: Add `engine` keyword to `read_json` to enable reading from pyarrow open 0 2022-09-30 2022-09-23 -
API: should to_numpy() by default return the corresponding type, and raise otherwise? open 0 2022-09-30 2022-09-23 -
BUG: histogram weights aren't dropped if NaN values in data open 0 2022-09-30 2022-09-23 -
BUG: DataFrame with empty categorical column saved as parquet is not correcly read with pyarrow engine open 0 2022-09-30 2022-09-23 -
value_counts() return null values closed 2 2022-09-30 2022-09-23 2022-09-30
API Should Index be made opt-in? open 10 2022-09-30 2022-09-23 -
ENH: Use a proper CSS parser for pandas Styler objects open 0 2022-09-29 2022-09-23 -
BUG/API: setting behavior inserting negative numbers in np.uint/nullable UInt Series open 4 2022-09-29 2022-09-23 -
API: what should float(pd.NA) return? open 3 2022-09-29 2022-09-23 -
BUG: pd.fillna(np.nan, inplace=True) replaces values which are not None when using datetime dtype closed 1 2022-09-29 2022-09-23 2022-09-29
STYLE: Add code check to avoid returning Exceptions instead of raising open 0 2022-09-29 2022-09-23 -
BUG: Bar chart is not consistent in its color management when plotting Series or single column DataFrame open 1 2022-09-29 2022-09-23 -
BUG: pd.concat ignores axis="columns" argument closed 1 2022-09-29 2022-09-23 2022-09-29
STYLE fix pylint issues open 6 2022-09-29 2022-09-23 -
BUG: concat in pandas 1.4.2 unexpectedly drops rows or duplicates rows if multiIndex has pd.NA closed 9 2022-09-29 2022-09-23 2022-09-29
TYP: Numpy 1.23 typing issues open 0 2022-09-29 2022-09-23 -
BUG: Regression for `pd.read_parquet` from pandas 1.5.0 ? open 2 2022-09-29 2022-09-23 -
TST test_any_non_keyword_deprecation is in the wrong location closed 2 2022-09-29 2022-09-23 2022-09-29
BUG: v1.5.0 dataframe.replace function cause python to crash closed 1 2022-09-29 2022-09-23 2022-09-29
BUG: `DataFrame.iloc[idx, column] = array` sets incorrect values for 1.5.0 closed 1 2022-09-28 2022-09-23 2022-09-28
DOC: GL08 errors in pandas.Index, pandas.IntervalIndex and pandas.MultiIndex open 2 2022-09-28 2022-09-23 -
BUG: Data inserted with from order when using .loc closed 1 2022-09-28 2022-09-23 2022-09-28
DOC: add minimal_environment.yml and minimal_requirements.txt open 8 2022-09-28 2022-09-23 -
BUG: The behavior for `DataFrame.corrwith` is changed in pandas 1.5.0 ?? open 4 2022-09-28 2022-09-23 -
ENH: Conversion of objects with __array__ attribute to Series open 2 2022-09-27 2022-09-23 -
BUG: differences in Series.map with defaultdict with different dtypes open 0 2022-09-27 2022-09-23 -
BUG: `add_categories` does not honour `pd.StringDtype` of new categories (and downcasts to `object` instead) closed 3 2022-09-27 2022-09-23 2022-09-29
STYLE,BUG: autotyping hook fails if run on no files closed 4 2022-09-27 2022-09-23 2022-09-28
BUG: Bar plot with integer index does not place bars at index positions which makes xlim fail open 0 2022-09-27 2022-09-23 -
DOC: Remove unsupported parameters in `Resampler.mean` open 6 2022-09-27 2022-09-23 -
ENH: support negative axis closed 4 2022-09-27 2022-09-23 2022-09-28
BUG: `pd.to_timedelta()` does not accept nullable float closed 0 2022-09-26 2022-09-23 2022-09-29
BUG: pandas 1.5 fails to groupby on (nullable) Int64 column with dropna=False open 2 2022-09-26 2022-09-23 -
DEPR: inplace in DataFrameGroupBy.fillna and SeriesGroupBy.fillna open 3 2022-09-26 2022-09-23 -
BUG: convert_dtypes() leaves int + pd.NA Series as object instead of converting to Int64 closed 0 2022-09-26 2022-09-23 2022-09-29
BUG: `pd.Series.duplicated`/`pd.core.algorithms.duplicated` fails with float-based `SparseArray` open 0 2022-09-26 2022-09-23 -
BUG: `from_dummies` can't round trip when `sparse=True` open 0 2022-09-26 2022-09-23 -
BUG: `pd.core.algorithms.duplicated` fails with masked Series closed 2 2022-09-26 2022-09-23 2022-09-26
BUG: still emitting unnecessary FutureWarning in DataFrame.sort_values with sparse columns closed 0 2022-09-26 2022-09-23 2022-09-27
BUG: Regression on pandas 1.5.0 when using a file handle with utf-8-encoding which has been read from before for read_csv closed 2 2022-09-26 2022-09-23 2022-09-26
BUG: ExcelWriter.book - attribute not accessible for setting open 11 2022-09-26 2022-09-23 -
BUG: pd.offsets.MonthEnd() delevers wrong month open 4 2022-09-26 2022-09-23 -
BUG: Regression on pandas 1.5.0 using describe with Int64 dtype getting a TypeError closed 1 2022-09-26 2022-09-23 2022-09-26
DOC: Table Visualization/Styler Documentation Appears garbled closed 4 2022-09-25 2022-09-23 2022-09-26
BUG: `pd.to_datetime()` fails to parse nanoseconds closed 3 2022-09-25 2022-09-22 2022-09-29
ENH: find categorical code against categorical label/value open 6 2022-09-25 2022-09-22 -
BUG: df.plot(subplots=False) not drawing as expected open 2 2022-09-24 2022-09-22 -
BUG: pd.Series.unstack with mixed names types open 3 2022-09-24 2022-09-22 -
DOC: Update color of icons for dark theme open 2 2022-09-24 2022-09-22 -
WEB: Add style for blockquote open 5 2022-09-24 2022-09-29 -