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BUG: Unable to aggregate TimeGrouper

Bug

Groupby

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

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

Status: Closed (completed).

#7453 In pandas-dev/pandas;

· by sinhrks was closed on Apr 10, 2016

ENH: convert datetime components (year, month, day, ...) in different columns to datetime

API Design

DatetimeDatetime data dtypeDatetime data dtype

Enhancement

Status: Closed (completed).

#8158 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Apr 26, 2016

*__tmp_to_csv_deprecated_options__ are left behind

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

Status: Closed (completed).

#9249 In pandas-dev/pandas;

· by yarikoptic was closed on Apr 9, 2016

BUG/CLN: SparseSeries __getitem__ uses questionable, buggy logic

Bug

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#9467 In pandas-dev/pandas;

· by shoyer was closed on Apr 10, 2016

ERR: better error message on invalid on with multi-index columns

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

MultiIndex

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

Status: Closed (completed).

#9455 In pandas-dev/pandas;

· by amelio-vazquez-reina was closed on Apr 25, 2016

Crash on read_html(url, flavor="bs4") if table has only one column

Bug

IO HTMLread_html, to_html, Styler.apply, Styler.applymapread_html, to_html, Styler.apply, Styler.applymap

Status: Closed (completed).

#9178 In pandas-dev/pandas;

· by boarpig was closed on Apr 25, 2016

Add Akima Interpolation to Pandas

Enhancement

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

Status: Closed (completed).

#7588 In pandas-dev/pandas;

· by dershow was closed on Apr 11, 2016

SparseSeries.value_counts doesn't include fill_value counts

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

Enhancement

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#6749 In pandas-dev/pandas;

· by bdanalytics was closed on Apr 29, 2016

TST: more testing of indexing with sparse

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

SparseSparse Data TypeSparse Data Type

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

Status: Closed (completed).

#4400 In pandas-dev/pandas;

· by njheyu was closed on Apr 11, 2016

ohlc not available for groupby/etc

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

Groupby

Resampleresample methodresample method

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

Status: Closed (completed).

#6594 In pandas-dev/pandas;

· by hayd was closed on Apr 18, 2016

rolling_apply only applicable to numeric columns

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Enhancement

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

Status: Closed (completed).

#4964 In pandas-dev/pandas;

· by aschilling was closed on Mar 6, 2016

DOC: expanding comparison with R section

Docs

Status: Closed (completed).

#9815 In pandas-dev/pandas;

· by jreback was closed on Apr 27, 2016

read_csv with names, usecols and parse_dates

Bug

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#9755 In pandas-dev/pandas;

· by brechtm was closed on Apr 6, 2016

concat erroneously sets series to NaN

Bug

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

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#9765 In pandas-dev/pandas;

· by RasterBurn was closed on Apr 25, 2016

groupby, TimeGrouper error

Bug

Resampleresample methodresample method

Status: Closed (completed).

#8542 In pandas-dev/pandas;

· by jgbarah was closed on Apr 29, 2016

Using resample() with groupby on this DataFrame causes Segmentation Fault

Bug

Groupby

Resampleresample methodresample method

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

Status: Closed (completed).

#8573 In pandas-dev/pandas;

· by ginzor was closed on Apr 19, 2016

API: SparseSeries.to_frame and SparseDataFrame.to_panel result in dense structures

API Design

Bug

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#9850 In pandas-dev/pandas;

· by sinhrks was closed on Apr 9, 2016

Resampling produces all NaN values for a particular dataset

Bug

Resampleresample methodresample method

Status: Closed (completed).

#9915 In pandas-dev/pandas;

· by brownan was closed on Apr 17, 2016

Regex C Engine Warning

Docs

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

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#10208 In pandas-dev/pandas;

· by jseabold was closed on Apr 3, 2016

Calling shift on a DatetimeIndex of length 0 returns an Index instead of a DatetimeIndex

DatetimeDatetime data dtypeDatetime data dtype

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

Status: Closed (completed).

#9903 In pandas-dev/pandas;

· by ssanderson was closed on Apr 29, 2016

read_csv not correctly parsing dates when parse_dates is string and index_col not set

API Design

Bug

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

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#5636 In pandas-dev/pandas;

· by cancan101 was closed on Apr 19, 2016

Parallelization for embarrassingly parallel tasks

Docs

Groupby

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Closed (completed).

#5751 In pandas-dev/pandas;

· by michaelaye was closed on Apr 25, 2016

BUG: sniffing a csv raises with only a header

Bug

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#7773 In pandas-dev/pandas;

· by Nodd was closed on Apr 18, 2016

df.to_json segfaults with categorical column types

CategoricalCategorical Data TypeCategorical Data Type

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

Status: Closed (completed).

#10778 In pandas-dev/pandas;

· by blink1073 was closed on Apr 26, 2016

to_dense does not preserve dtype in SparseArray

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

SparseSparse Data TypeSparse Data Type

Status: Closed (completed).

#10648 In pandas-dev/pandas;

· by ebolyen was closed on Apr 3, 2016