mroeschke

mroeschke

2022-06-16

BUG?: `.fill(np.nan)`an `int64` array raises ValueError on main

0 4

2022-06-21

CI/PERF: Windows builds fail due to potential MemoryErrors

0 0

2022-06-28

API: ExtensionArray._from_sequence_of_strings assumes `true_values` and `false_values` in signature when `ExtensionDtype._is_boolean=True`

0 0

2022-07-22

CI/TST: Avoid xfail(strict=False) in test_round_sanity for 32 bit build

0 1

2022-08-14

[Bug]: Figure.colorbar triggers colormesh deprecation

0 4

2022-08-20

TST: Fix check_stacklevel=False in extensions/test_string.py for pyarrow PerformanceWarning

0 0

2022-08-24

BUG: Nullable int floordiv 0 result changed from 0 to inf

0 2

2022-08-29

ENH: Add ignore_index to Series.drop_duplicates

0 0

2022-08-30

ENH: Expose ArrowIntervalType and ArrowPeriodType in the public API

0 2

2022-09-02

DOC: Clarify DataFrame.where tries to maintain dtype of DataFrame when providing fill_value

0 2

2022-09-07

ENH: Support masked ExtensionTypes when using `engine="numba"`

2 0

2022-09-13

DEPR: Restrict nanosecond range in Timestamp constructor

0 2

2022-09-14

CI/TST: Enable `-W error:::pandas` in pytest during CI runs

2 1

2022-09-21

[ENH]: Default `matplotlib.colormaps[None]` to call `matplotlib.colormaps[matplotlib.rcParams['image.cmap']]`?

0 6

2022-09-23

API/PERF: Don't reorder categoricals when grouping by an unordered categorical and `sort=False`

0 8

2022-09-29

BUG/API: setting behavior inserting negative numbers in np.uint/nullable UInt Series

0 4

2022-09-30

ENH: Add `engine` keyword to `read_json` to enable reading from pyarrow

0 9

2022-10-05

ENH: Add global option `io.nullable_type="pandas"|"pyarrow"` to control IO reader `use_nullable_dtype`

0 0

2022-10-10

CI: Investigate slow macOS build time for Python Dev build

0 0

2022-10-15

BUG(?)/API: pd.NA + bytes raises TypeError

0 0

2022-10-15

API: Series/DataFrame.mask(other) should default to lib.no_default instead of np.nan

2 2

2022-11-10

TST: Use stronger assertion in `pandas/tests/groupby/test_allowlist.py::test_regression_allowlist_methods`

0 0

2022-12-01

ENH: Allow `convert_dtypes` to convert to `pd.ArrowDtype`

0 6

2022-12-02

ENH: Support reduction methods on Index(?)

0 5

2022-12-16

BUG: pyarrow.compute.utf8_slice_codeunits fails when stop=None

0 0

2022-12-01

ENH: Allow `convert_dtypes` to convert to `pd.ArrowDtype`

0 6

2022-12-01

ENH: Allow `convert_dtypes` to convert to `pd.ArrowDtype`

0 6

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

2022-12-02

ENH: Error if users provide a negative `min_count` for reductions

0 3

2022-08-04

Define a clear and enforceable standard file layout for cuDF Python

0 7

2022-12-13

DEV pip install -r requirements-dev.txt takes...54 minutes?

0 5

2022-11-14

BUG/API: behaviour of floordiv with `bool` operands is very inconsistent

0 4

2022-11-14

BUG/API: behaviour of floordiv with `bool` operands is very inconsistent

0 4

mattiatantardini

2022-09-09

ENH: initialize row DataFrame with list

0 5

2022-10-05

PERF: `pd.util.hash_pandas_object` slower on `string[pyarrow]` than `object` dtypes

0 6

2022-12-16

BUG: `pd.test` does not respect passing pandas specific markers

0 4

2022-08-10

BUG: on_bad_lines=callable does not invoke callable for all bad lines

1 14

2022-08-10

BUG: on_bad_lines=callable does not invoke callable for all bad lines

1 14

2022-08-10

BUG: on_bad_lines=callable does not invoke callable for all bad lines

1 14

2022-09-20

ENH: Safety net for operations not compatible with a given dtype.

0 3

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2023-01-17

DEPR: parsing tzlocal depending on user's system timezone

0 1

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-06-24

BUG: GH45912 breaks important functionality in rolling apply

0 7

2022-09-30

ENH: Add `engine` keyword to `read_json` to enable reading from pyarrow

0 9

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-11-05

Read Parquet directly into string[pyarrow]

0 30

2022-07-19

# DEV: Gitpod integration

1 8

2022-12-14

Add support for using data with `pyarrow`-backed `pandas` extension dtypes

0 7

2022-11-11

DOC: description of `sort` argument to `pd.concat` is confusing in `join="inner"` case

0 1

2022-08-09

DEPR: parse dates with `pyarrow` when `engine='pyarrow'` is specified

0 8

2023-01-24

[Python] ENH: Preserve tzinfo from datetime.time objects when contructing pa.array

0 2

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

2022-11-11

BUG: drop_duplicates raises FutureWarning after resetting index

0 4

2023-01-18

DOC: DataFrame.count_values supports single label

0 2

2022-12-02

BUG: dt.timezone pydatetime parsed differently for ISO vs non-ISO dates

0 10

2022-12-02

BUG: dt.timezone pydatetime parsed differently for ISO vs non-ISO dates

0 10

2023-01-18

DOC: Note itertuples created with `rename=True`

0 5

2023-01-18

DOC: Note itertuples created with `rename=True`

0 5

2023-01-05

DEPR: Enforce 2.0 deprecations

0 4

2022-11-01

BUG: `date_range` with `freq="C"` (business days) return value changed on 1.5.0

0 10

2022-11-01

BUG: `date_range` with `freq="C"` (business days) return value changed on 1.5.0

0 10

2022-11-01

BUG: `date_range` with `freq="C"` (business days) return value changed on 1.5.0

0 10

2022-11-01

BUG: `date_range` with `freq="C"` (business days) return value changed on 1.5.0

0 10

2022-11-01

[ENH/QST]: Behaviour of type promotion in `setitem`

0 13

2022-11-01

[ENH/QST]: Behaviour of type promotion in `setitem`

0 13

2022-07-14

API: Consistent handling of duplicate input columns

0 11

jorisvandenbossche

2022-12-23

Datetime parsing (PDEP-4): allow mixture of ISO formatted strings?

0 17

jorisvandenbossche

2022-12-23

Datetime parsing (PDEP-4): allow mixture of ISO formatted strings?

0 17

2023-01-06

BUG: `to_numpy` is now failing given incompatible `na_value`

0 2

2022-10-05

ENH: pre-commit check for setup.cfg options.extras_require

0 12

2023-01-20

Nightly builds failing since 1/20/2023

0 2

2023-01-27

BUG: Dtype conversion in arithmetic with scalars for arrow ea

0 1

2023-01-25

BUG: `object`s not converted in `DataFrame.convert_dtypes()` on empty `DataFrame`

0 2

2023-01-25

PERF: Serialized `string[pyarrow]` data larger than `object`

0 1

2022-06-13

ENH: recommended dependencies numexpr and bottleneck should be managed extras in pandas setup.cfg

0 2

2022-06-30

BUG: df.columns.name = 0 is not shown

0 2

2022-09-30

ENH: Add `engine` keyword to `read_json` to enable reading from pyarrow

0 9

2022-09-30

ENH: Add `engine` keyword to `read_json` to enable reading from pyarrow

0 9

2022-07-22

ENH: Add `axis` parameter to `add_prefix` and `add_suffix`

0 5

2022-06-24

BUG: GH45912 breaks important functionality in rolling apply

0 7

2022-06-16

CI: nighlty numpy broke ci

0 5

2022-07-13

BUG: Unnessesary dublicate of same values in merge operation

0 2

2022-08-01

DOC/TST: pandas.Series.str.get with dict elements supports passing hashable label

0 12

2022-07-06

DOC: sample codes should not override Python built-in functions

0 5

2022-07-01

BUG: Can't create column with

0 2

2022-07-22

Developement environment with docker "pandas 0+unknown is installed" BUILD: v1.5.0.dev0-1185-gbedd8f0170

0 7

2022-06-16

CI: nighlty numpy broke ci

0 5

2022-07-12

BUG: Failed to build pandas typed-ast

0 3

2022-06-24

API: numeric_only in Series ops behavior

0 7

2022-08-10

ENH: Add DataFrame/groupby/rolling.product()

0 4

2022-07-08

ENH:Universal visualization for Data-Science Dataset

0 5

2022-07-08

ENH:Universal visualization for Data-Science Dataset

0 5

2022-07-08

ENH:Universal visualization for Data-Science Dataset

0 5

2022-07-15

BUG: pandas.DataFrame.explode

0 4

2022-07-15

BUG: pandas.DataFrame.explode

0 4

2022-07-14

BUG: index shape validation does not happening with Series input data

0 2

2022-06-16

Feature Request: Named aggregation for pandas rolling function

0 1

2022-07-22

ENH: TypeError: '>=' not supported between instances of 'str' and 'int'

0 1

2022-12-02

BUG: dt.timezone pydatetime parsed differently for ISO vs non-ISO dates

0 10

2022-09-05

DOC: Include SeriesGroupBy ops in API docs

0 3

2022-09-05

DOC: Include SeriesGroupBy ops in API docs

0 3

2022-08-15

DOC: `is_float_dtype` meant to be an internal function??

0 6

2022-08-24

BUG: Display Arithmetic Zero not Signed Zero aka 0 not -0

0 7

2022-07-24

DEPR: rolling, expanding, and ewm args and kwargs

0 1

2022-07-25

DOCS: series.astype return error when a datetime64 (unitless) series astype numpy.datetime64

0 5

2022-07-20

BUG: concat gives incorrect result when MultiIndex values are all NA

0 3

2022-07-27

BUG: parameter "center" cannot be passed to weighted windows

0 1

2022-06-24

API: numeric_only in Series ops behavior

0 7

2022-07-02

DOC: Indicate `formatters` in `DataFrame.to_string` can specify `index`

0 6

2022-07-26

DEPR or DOCS: pd.value_counts() is public, but not documented. Deprecate or document?

0 11

2022-07-23

DOC: repurpose `Styler` as a general display tool and not an HTML-CSS tool

2 5

2022-06-24

API: numeric_only in Series ops behavior

0 7

2022-08-11

ENH: Deny/permit configuration for read_pickle to address security concerns

0 7

2022-09-23

API/PERF: Don't reorder categoricals when grouping by an unordered categorical and `sort=False`

0 8

2022-06-15

BUG: default for pd.Interval of closed/inclusive changed on main from right to both

0 19

2022-06-15

BUG: default for pd.Interval of closed/inclusive changed on main from right to both

0 19

2022-07-29

BUG: take with MultiIndex duplicating index

0 2

2022-10-15

API: Series/DataFrame.mask(other) should default to lib.no_default instead of np.nan

2 2

2022-07-20

ENH: Support partitioning by index (especially multi-index columns) in to_parquet

0 2

2022-10-05

ENH: pre-commit check for setup.cfg options.extras_require

0 12

2022-08-01

DOC/TST: pandas.Series.str.get with dict elements supports passing hashable label

0 12

2022-08-01

ENH: read_zeek function to read zeek files into a DataFrame

0 3

2022-07-19

DOC: Improvement suggestion for python code block

0 1

2022-08-09

Update pyarrow dependency

0 2

2022-08-11

ENH: Deny/permit configuration for read_pickle to address security concerns

0 7

2022-09-09

BUG: [unit test] pandas/io/clipboard/init.py:300: PyperclipException

0 9

2022-09-01

GitHub Actions: Use larger instances

0 1

2022-08-09

WEB: Standardize website/docs footer

0 7

2022-08-25

REF: rename DateOffset -> RelativeDeltaOffset

1 1

2022-08-04

WEB: Review donation options for pandas

0 2

2022-08-11

CI: setuptools 64.0.0 breaks our builds

0 6

2022-11-08

QST: Why do frame `GroupBy` objects and have different capitalization from `RollingGroupby`, etc.?

0 5

2022-08-20

CI: Circleci timing out regularly

0 3

2022-08-17

Python 3.11 manylinux wheels

0 1

2022-08-10

BUG: Merge "cross" will assert on systems with FIPS enforcement

0 2

2022-10-06

API: Series[td64].astype("timedelta64[unsupported]")

0 1

2022-06-15

BUG: default for pd.Interval of closed/inclusive changed on main from right to both

0 19

2022-09-05

BUG: `codes` array of a categorical Series is not writeable and prevents running `dlpack()` on `dataframe()` outputs

0 10

2022-09-12

BUG: Appending or concatenating to empty ExtensionArray removes type information

0 3

2022-07-04

QST: pd.read_sql how to process with null char '\0'

0 1

2022-09-13

[Question] Why is test_fast.sh configured to work with only 4 cores ?

0 5

2022-08-11

ENH: Deny/permit configuration for read_pickle to address security concerns

0 7

2022-08-13

Adding obvious type hints to pandas

0 2

2022-07-25

DOCS: series.astype return error when a datetime64 (unitless) series astype numpy.datetime64

0 5

2022-11-21

[FEA] Allow creation of nullable Index objects via `to_pandas`

0 5

2022-06-29

Having the axis variable in the .apply function match other functions

0 5

2022-08-15

DOC: `is_float_dtype` meant to be an internal function??

0 6

2022-08-24

BUG: Display Arithmetic Zero not Signed Zero aka 0 not -0

0 7

2022-08-03

BUG: Ordering of `columns` is not preserved in `pd.read_orc`

0 7

2022-06-29

Having the axis variable in the .apply function match other functions

0 5

2022-06-29

Having the axis variable in the .apply function match other functions

0 5

2022-08-25

CI: Improve warning when no pandas dev version installed when running stubtest

0 5

2022-08-25

CI: test_round_sanity causing builds to fail

0 3

2023-01-20

DEPR deprecate mixed timezone offsets with utc=False?

0 2

2022-08-10

CLN: Refactor groupby's _make_wrapper

0 2

2022-08-24

BUG: Nullable int floordiv 0 result changed from 0 to inf

0 2

2022-08-25

BUG: series created from pyarrow array with date32 type in 1.5rc0 can be created but not displayed

0 8

2022-08-24

BUG: Display Arithmetic Zero not Signed Zero aka 0 not -0

0 7

2022-08-25

CI: test_round_sanity causing builds to fail

0 3

2022-08-25

read_excel parsing dates later than 2262-04-11 pandas.to_datetime cannot convert input with unit 'D'

0 2

2022-08-18

ENH/PERF: copy=True keyword in methods where copy=False can improve perf

0 12

2022-08-26

BUG: AttributeError: 'NoneType' object has no attribute 'total_seconds' using ZoneInfo

0 2

2022-07-22

Developement environment with docker "pandas 0+unknown is installed" BUILD: v1.5.0.dev0-1185-gbedd8f0170

0 7

2022-08-25

BUG: generated timestamps deviate from expected values

0 13

2022-08-25

BUG: generated timestamps deviate from expected values

0 13

2022-08-25

BUG: `file://` path handling throws error on certain case

0 4

2022-08-14

[Bug]: Figure.colorbar triggers colormesh deprecation

0 4

2022-09-02

DOC: Clarify DataFrame.where tries to maintain dtype of DataFrame when providing fill_value

0 2

2022-09-02

ENH: change pandas.DataFrame.pct_change method default argument "fill_method" to None

0 2

2022-08-30

BUG: TypeError exception when using read_html with extract_links='all' argument

0 3

2022-08-05

BUG: Dataframe.to_xml() fails with control characters

0 2

2022-09-27

ENH: support negative axis

0 4

2022-08-30

BUG: TypeError exception when using read_html with extract_links='all' argument

0 3

2022-08-31

BUG: `.describe()` on `unsigned` types is resulting in `object` type result

0 7

2022-09-14

ENH: Creating a relational database from a single dataframe and saving new tables as csv files

0 2

2022-08-25

BUG: series created from pyarrow array with date32 type in 1.5rc0 can be created but not displayed

0 8

2022-08-31

BUG: `.describe()` on `unsigned` types is resulting in `object` type result

0 7

2022-06-24

BUG: GH45912 breaks important functionality in rolling apply

0 7

2022-08-31

BUG: `.describe()` on `unsigned` types is resulting in `object` type result

0 7

2022-09-03

CI: Mambaforge upgrade base image to 3.10 in docker build

0 2

2022-09-06

BUG: TypeError: unsupported operand type(s) for +: 'Timestamp' and 'bytes'

0 4

2022-09-09

BUG: [unit test] pandas/io/clipboard/init.py:300: PyperclipException

0 9

2022-08-18

ENH/PERF: copy=True keyword in methods where copy=False can improve perf

0 12

2022-09-09

BUG: [unit test] pandas/io/clipboard/init.py:300: PyperclipException

0 9

2022-09-09

BUG: [unit test] pandas/io/clipboard/init.py:300: PyperclipException

0 9

2022-09-13

ENH: Add to_tf_dataset method to convert Pandas dataframe to TensorFlow dataset

0 3

2022-09-05

DOC/DEPR: pandas.to_pickle

0 2

2022-09-15

Add the OpenSSF Scorecard GitHub Action

0 1

2022-09-07

BUG: pd.to_datetime does not treat YYYYMMDD and YYYY/MM/DD in the same way as strptime

0 6

2022-09-07

CI: Pyarrow creates issues on macOS builds

0 5

2022-09-06

BUG: TypeError: unsupported operand type(s) for +: 'Timestamp' and 'bytes'

0 4

2022-12-04

CI: pyarrow 10 broke our ci

0 2

2022-08-09

WEB: Standardize website/docs footer

0 7

2022-09-07

API: find_common_type([dt64tz1, dt64tz2]) -> UTC

0 1

2022-11-08

QST: Why do frame `GroupBy` objects and have different capitalization from `RollingGroupby`, etc.?

0 5

2022-09-08

ENH: Remove ArrowStringArray and StringDtype("pyarrow")

0 2

2022-08-30

BUG: timedelta64[s] series constructor isn't equal with alternative constructor using to_timedelta unit='s'

0 8

2022-09-09

BUG: groupby doesn't distinguish between different kinds of null values

0 6

2022-07-02

DOC: Indicate `formatters` in `DataFrame.to_string` can specify `index`

0 6

2022-08-25

DOC: 1.5.0rc0 has issues in the whatsnew document

0 2

2022-08-24

ENH: faster fill-between interpolation

0 3

2022-09-12

BUG: Appending or concatenating to empty ExtensionArray removes type information

0 3

2022-07-20

BUG: type hint problem on read_csv

0 3

2022-09-14

ENH: Creating a relational database from a single dataframe and saving new tables as csv files

0 2

2022-07-22

CI/TST: Avoid xfail(strict=False) in test_round_sanity for 32 bit build

0 1

2022-12-05

BUG: inconsistent None handling for ISO and non-ISO formats

0 11

2022-12-05

BUG: inconsistent None handling for ISO and non-ISO formats

0 11

2022-09-01

BUG: 1.5.0rc0 extract_links modifies type first item in tuple

0 1

2022-09-27

ENH: Conversion of objects with array attribute to Series

0 3

2022-09-16

ENH: Python 3.11 wheels for 1.5 release

1 2

2022-08-25

BUG: generated timestamps deviate from expected values

0 13

2022-08-25

BUG: generated timestamps deviate from expected values

0 13

2022-09-13

DEPR: Restrict nanosecond range in Timestamp constructor

0 2

2022-09-13

[Question] Why is test_fast.sh configured to work with only 4 cores ?

0 5

2022-07-13

Changes to pandas governance

2 11

2022-12-05

ENH: KeyError from missing column should list available columns

0 6

2022-07-01

BUG: Spurious "FutureWarning: Use pd.to_datetime instead."

0 4

2022-09-19

aarch64 wheel missing on pip for 1.5.0

2 5

2022-12-05

BUG: inconsistent None handling for ISO and non-ISO formats

0 11

2022-07-13

DEV: CLI concept for Pandas

1 10

2022-09-21

PERF: Memory duplication spotted when dropping columns/axis from a dataframe with `inplace=True`

17 10

2022-12-05

BUG: inconsistent None handling for ISO and non-ISO formats

0 11

2022-09-21

ENH: Support `Resampler.mean(engine="numba")`

0 2

2022-09-29

BUG/API: setting behavior inserting negative numbers in np.uint/nullable UInt Series

0 4

2022-12-05

BUG: `string[pyarrow]` dtype doesn't roundtrip through `pyarrow`

0 5

2022-08-25

BUG: series created from pyarrow array with date32 type in 1.5rc0 can be created but not displayed

0 8

2022-10-01

Mark methods raising AbstractMethodError as abstractmethods?

0 2

2022-09-20

BUG: the rolling.Rolling subclass cannot handle string when using apply function

0 2

2022-09-30

API: should to_numpy() by default return the corresponding type, and raise otherwise?

0 6

2022-10-18

PERF: wide_to_long taking a long time, but I found why !

0 3

2022-11-07

BUG: when `floor`ing, `ambiguous` parameter unnecessarily used (and raising Error)

0 10

2022-10-22

DOC: 10 minutes to pandas Selection section `DataFrame.loc` followed by `()`

0 4

2022-08-25

BUG: generated timestamps deviate from expected values

0 13

2022-11-11

STYLE place standard library imports at top of file

0 2

2022-12-05

BUG: `string[pyarrow]` dtype doesn't roundtrip through `pyarrow`

0 5

2022-09-21

[ENH]: Default `matplotlib.colormaps[None]` to call `matplotlib.colormaps[matplotlib.rcParams['image.cmap']]`?

0 6

2022-08-10

BUG: on_bad_lines=callable does not invoke callable for all bad lines

1 14

2022-06-16

BUG?: `.fill(np.nan)`an `int64` array raises ValueError on main

0 4

2022-07-14

API: Consistent handling of duplicate input columns

0 11

2022-09-23

API/PERF: Don't reorder categoricals when grouping by an unordered categorical and `sort=False`

0 8

2022-09-21

[ENH]: Default `matplotlib.colormaps[None]` to call `matplotlib.colormaps[matplotlib.rcParams['image.cmap']]`?

0 6

2022-09-30

API Should Index be made opt-in?

0 40

2022-12-07

BUG: `DataFrame.dtypes` doesn't include backend for `string` columns

0 3

2022-10-11

BUG: guess_datetime_format doesn't guess 2018-01-01T00:00:00.000

0 3

2022-10-12

API: resolution for date_range, to_datetime, timedelta_range, to_timedelta

0 3

2022-10-12

API: resolution for date_range, to_datetime, timedelta_range, to_timedelta

0 3

2022-10-13

ENH: `DatetimeProperties` results seem to be inconsistent since missing milliseconds

0 4

2022-10-13

API: Timestamp and Timedelta .value changing in 2.0

0 1

2022-11-07

BUG: when `floor`ing, `ambiguous` parameter unnecessarily used (and raising Error)

0 10

2022-07-02

DOC: Indicate `formatters` in `DataFrame.to_string` can specify `index`

0 6

2022-08-25

BUG: series created from pyarrow array with date32 type in 1.5rc0 can be created but not displayed

0 8

2022-12-07

BUG: cannot replace np.NaN with None any more

0 2

2022-10-22

DOC: 10 minutes to pandas Selection section `DataFrame.loc` followed by `()`

0 4

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

jorisvandenbossche

2022-12-01

DEV: reduce the size of the dev environment.yml

0 25

2022-09-16

ENH: Add support for `*args` in apply-like functions.

0 4

2022-07-19

# DEV: Gitpod integration

1 8

2022-10-22

ENH: The need to re-design to_sql() method

0 4

2022-09-07

BUG: Series.dt.tz_localize not recognizing DST transition with zoneinfo timezone when ambiguous="infer"