Pandas Higher Order Methods API

ContextFor methods that accept UDFs, I've been looking at a number of issues that would involve long-standing behavior c...

Pandas BUG: Inconsistency in df.sum when strings are present in column values

[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exists on the latest vers...

Pandas BUG: Summing over multiple levels with MultiIndex CategoricalIndex introduces new columns

Code Sample, a copy-pastable example if possibleimport pandas as pdmi = pd.MultiIndex.from_tuples([['b','d'],['b','c'],[...

Pandas ValueError when summing over column level with skipna=False (Python 3 only)

Code Sample, a copy-pastable example if possibleimport numpy as npimport pandas as pddf = pd.DataFrame(np.ones([2, 8]))d...

Pandas ENH: allow datelike to be aggregated in resample

http://stackoverflow.com/questions/21878599/pandas-drops-timestamp-columns-in-resampleinit_time=pd.date_range(start='201...

Pandas BUG: read_html reads <style> element text

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas Address Untested to_json Extension Module Code

There's an old TODO note about untested code in the extension module hanging around in objToJSON.c:https://github.com/pa...

Pandas BUG: comparing multicolumn dataframe with datetime64 values to series gives TypeError

When trying to compare a dataframe to a column/series (I know, in the following case not useful due to the alignement of...

Pandas BUG: Inconsistent result dtypes for aggregation functions (e.g. sum, mean, .apply(np.sum), ...)

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas weighted mean

A "weights" labeled parameter in the df.mean method would be extremely useful. In numpy this functionality is provided v...

Pandas API/BUG: type of scalar aggregations

Currently there is some inconsistency around the scalar type returned from a Series aggregation, both in terms of whethe...

Pandas __or__ (and others?) should return NotImplemented for custom classes

Code Sample, a copy-pastable example if possibleIn [1]: class Test: ...: def __ror__(self, other): ...: ...

Pandas ENH: implement nlargest and nsmallest for DataFrameGroupBy like SeriesGroupBy

The DataFrameGroupBy should get a new method nlargest to allow selecting the N largest rows for each group.Currently thi...

Pandas BUG: Rolling skew error

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: pd.Index(dtype=np.int64) cannot be used in ops with pd.Index(dtype=Int64Dtype())

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: converting a string[pyarrow] column to category triggers an error in to_parquet

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG:

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: categorical Series.map() errors when mapping to tuples.

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas ENH: Add dt.components for datetime64 arrays. Make dt more consistent between datetime and timedelta.

Is your feature request related to a problem?Series of type timedelta64 have the very useful Series.dt.components proper...

Pandas ENH: Extract all the datetime components

Feature Type[X] Adding new functionality to pandas[X] Changing existing functionality in pandas[ ] Removing existing fun...
上一页 下一页
.