Search results

BUG: preserve categorical & sparse types when grouping / pivot & preserve dtypes on ufuncs

Bug

CategoricalCategorical Data TypeCategorical Data Type

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

Groupby

SparseSparse Data TypeSparse Data Type

Status: Closed (abandoned).

pandas-dev/pandasnumber 26550

#26550 In pandas-dev/pandas;

· by jreback was closed on Jun 27, 2019

· 

0.25.0

BUG: dropna incorrect with categoricals in pivot_table

Bug

CategoricalCategorical Data TypeCategorical Data Type

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 21252

#21252 In pandas-dev/pandas;

· by jreback was closed on Jun 7, 2018

· 

0.23.1

BUG: Concatentation of TZ-aware dataframes

Bug

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (abandoned).

pandas-dev/pandasnumber 21014

#21014 In pandas-dev/pandas;

· by jreback was closed on May 13, 2018

· 

0.23.0

BUG in .groupby.apply when applying a function that has mixed data types and the user supplied function can fail on the grouping column

Bug

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 20959

#20959 In pandas-dev/pandas;

· by jreback was closed on May 8, 2018

· 

0.23.0

BUG: timezone comparisions are inconsistent, manifesting in bugs in .concat

Bug

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

TimezonesTimezone data dtypeTimezone data dtype

Status: Merged (completed).

pandas-dev/pandasnumber 19281

#19281 In pandas-dev/pandas;

· by jreback was closed on Jan 18, 2018

· 

0.23.0

API/BUG: .apply will correctly infer output shape when axis=1

API Design

ApplyApply, Aggregate, Transform, MapApply, Aggregate, Transform, Map

Bug

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Merged (completed).

pandas-dev/pandasnumber 18577

#18577 In pandas-dev/pandas;

· by jreback was closed on Feb 7, 2018

· 

0.23.0

BUG: Regression in .loc accepting a boolean Index as an indexer

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Status: Merged (completed).

pandas-dev/pandasnumber 17738

#17738 In pandas-dev/pandas;

· by jreback was closed on Oct 2, 2017

· 

0.21.0

BUG: rolling.cov with multi-index columns should preseve the MI

Bug

MultiIndex

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Merged (completed).

pandas-dev/pandasnumber 16825

#16825 In pandas-dev/pandas;

· by jreback was closed on Jul 4, 2017

· 

0.20.3

BUG/API: dtype inconsistencies in .where / .setitem / .putmask / .fillna

API Design

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Status: Merged (completed).

pandas-dev/pandasnumber 16821

#16821 In pandas-dev/pandas;

· by jreback was closed on Jul 21, 2017

· 

0.21.0

BUG: pickle compat with UTC tz's

Bug

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

DatetimeDatetime data dtypeDatetime data dtype

TimezonesTimezone data dtypeTimezone data dtype

Status: Merged (completed).

pandas-dev/pandasnumber 16611

#16611 In pandas-dev/pandas;

· by jreback was closed on Jun 6, 2017

· 

0.20.3

BUG: Bug in .resample() and .groupby() when aggregating on integers

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Groupby

Resampleresample methodresample method

Status: Merged (completed).

pandas-dev/pandasnumber 16549

#16549 In pandas-dev/pandas;

· by jreback was closed on May 31, 2017

· 

0.20.2

BUG: don't force clipboard routines to be imported in main pandas

Bug

IO DataIO issues that don't fit into a more specific labelIO issues that don't fit into a more specific label

Status: Merged (completed).

pandas-dev/pandasnumber 16294

#16294 In pandas-dev/pandas;

· by jreback was closed on May 9, 2017

· 

0.20.2