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Add aggregate method to DataFrame

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

API Design

Enhancement

Groupby

Status: Closed (completed).

#1623 In pandas-dev/pandas;

· by wesm was closed on Apr 14, 2017

More flexible time series binning/resampling

API Design

DatetimeDatetime data dtypeDatetime data dtype

Enhancement

Groupby

Resampleresample methodresample method

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

Status: Closed (completed).

#3529 In pandas-dev/pandas;

· by wesm was closed on Mar 16, 2017

ENH: native sparse conversion from csc/csr scipy sparse matrix to DataFrame

Enhancement

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#4343 In pandas-dev/pandas;

· by jreback was closed on Mar 10, 2017

DOC/BUG: pivot_table returns Series in specific circumstance

Docs

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

Status: Closed (completed).

#4386 In pandas-dev/pandas;

· by davidshinn was closed on Apr 18, 2017

describe on a groupby

API Design

Bug

Groupby

Status: Closed (completed).

#4792 In pandas-dev/pandas;

· by hayd was closed on Feb 10, 2017

spaces converted to todays date with to_datetime and read_csv date parse

Bug

DatetimeDatetime data dtypeDatetime data dtype

IO CSVread_csv, to_csvread_csv, to_csv

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

Status: Closed (completed).

#6428 In pandas-dev/pandas;

· by hayd was closed on Dec 14, 2016

interpolate w/ method=time does not work with timedeltas

Enhancement

TimedeltaTimedelta data typeTimedelta data type

Status: Closed (completed).

#6424 In pandas-dev/pandas;

· by cancan101 was closed on Dec 10, 2016

BUG: read_csv raises exception if first row is incomplete

Bug

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#6710 In pandas-dev/pandas;

· by altaurog was closed on Jan 11, 2017

csv_reader with limited number of columns should should completely disregard the unused fields

Bug

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#8985 In pandas-dev/pandas;

· by cordeiro was closed on Jan 11, 2017

CLN: reorg sorting algos

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Closed (completed).

#9020 In pandas-dev/pandas;

· by jreback was closed on Feb 27, 2017

BUG/API: interpolate with limit=0 should mean no interpolation

API Design

Bug

Status: Closed (completed).

#9217 In pandas-dev/pandas;

· by shoyer was closed on Feb 14, 2017

date_range treats '.5s' as '5s'

Enhancement

FrequencyDateOffsetsDateOffsets

Resampleresample methodresample method

Status: Closed (completed).

#8419 In pandas-dev/pandas;

· by keszybz was closed on Dec 14, 2016

TST: Catch Warnings in tests

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Closed (completed).

#8397 In pandas-dev/pandas;

· by TomAugspurger was closed on Mar 23, 2017

Proposal: New Index type for binned data (IntervalIndex)

API Design

Enhancement

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

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Closed (completed).

#7640 In pandas-dev/pandas;

· by shoyer was closed on Apr 14, 2017

Conflicting documentation about index uniqueness

Docs

Status: Closed (completed).

#7808 In pandas-dev/pandas;

· by bgbg was closed on Nov 25, 2016

BUG: applymap on empty DataFrame returns Series

API Design

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

Status: Closed (completed).

#8222 In pandas-dev/pandas;

· by ojdo was closed on Dec 24, 2016

API: define __copy__ NDFrame

API Design

good first issue

Status: Closed (completed).

#8571 In pandas-dev/pandas;

· by jreback was closed on Jan 15, 2018

BUG?: div method with timedelta

API Design

Bug

Enhancement

TimedeltaTimedelta data typeTimedelta data type

Status: Closed (completed).

#9396 In pandas-dev/pandas;

· by TomAugspurger was closed on Dec 18, 2016

DataFrame.hist() does not get along with matplotlib.pyplot.tight_layout()

Bug

Visualizationplottingplotting

Status: Closed (completed).

#9351 In pandas-dev/pandas;

· by vfilimonov was closed on Mar 13, 2017

API: use show_dimensions default to decide whether to show Series length

API Design

Output-Formatting__repr__ of pandas objects, to_string__repr__ of pandas objects, to_string

Status: Closed (completed).

#7117 In pandas-dev/pandas;

· by jreback was closed on Apr 18, 2017

Assigning datetime array to column fails with OutOfBoundsDatetime when having NaT and other unit as [ns]

Bug

DatetimeDatetime data dtypeDatetime data dtype

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

Status: Closed (completed).

#7492 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Dec 17, 2016

qcut() should make sure the bins bounderies are unique before passing them to _bins_to_cuts

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

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

Status: Closed (completed).

#7751 In pandas-dev/pandas;

· by yonil7 was closed on Dec 30, 2016

ENH/BUG: support TimedeltaIndex plotting

Bug

Enhancement

TimedeltaTimedelta data typeTimedelta data type

Visualizationplottingplotting

Status: Closed (completed).

#8711 In pandas-dev/pandas;

· by jreback was closed on Feb 22, 2017

Pandas Series should provide to_excel method

API Design

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

IO Excelread_excel, to_excelread_excel, to_excel

Status: Closed (completed).

#8825 In pandas-dev/pandas;

· by s-celles was closed on Dec 5, 2016

Binary operations between Numpy array and Pandas series convert to array dtype before executing

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

Status: Closed (completed).

#8674 In pandas-dev/pandas;

· by 8one6 was closed on Dec 30, 2016