github.com/pandas-dev/pandas issues | Ecosyste.ms: OpenCollective

pd.read_json With convert_axes Produces Different Index Type than Empty Frame

WillAyd opened this issue over 5 years ago

DataFrame[SparseArray] coerces to dense on sum(axis=1)

scottgigante opened this issue over 5 years ago

df.plot legend entries missing markers when plotting multiple dataframes on same axes

shahvi opened this issue over 5 years ago

PERF: use numpy.random.Generator

thrasibule opened this issue over 5 years ago

Using "index" in a Series with a dict produces results inconsistent with documentation.

jsal13 opened this issue over 5 years ago

.infer_objects() behavior is unintuitive when used with schemaless inputs

rcarneva opened this issue over 5 years ago

Problem with MultiIndex upsampling / resampling

Hvass-Labs opened this issue over 5 years ago

Various methods don't call call __finalize__

TomAugspurger opened this issue over 5 years ago

Problem with lzma module

Anatras opened this issue over 5 years ago

Typing Stubs and PEP 561 compatibility

simonjayhawkins opened this issue over 5 years ago

ROADMAP: Consistent missing value handling with new NA scalar

jorisvandenbossche opened this issue over 5 years ago

Issue 20927 fix resolves read_sas error for dates/datetimes greater than 2262-04-11

paul-lilley opened this pull request over 5 years ago

[Feature Request] pd.DataFrame.schema iterable

dazza-codes opened this issue over 5 years ago

DataFrame.drop with empty DatetimeIndex behaves differently than passing empty Index

katsuya-horiuchi opened this issue over 5 years ago

ENH: Cumsum with reset after certain upper/lower boundary is reached.

erfannariman opened this issue over 5 years ago

API/DEPR: Change default skipna behaviour + deprecate numeric_only in Categorical.min and max

makbigc opened this pull request over 5 years ago

BUG: pivot_table fails with aggfunc='size' and margins=True

kpflugshaupt opened this issue over 5 years ago

Add a "scope" document

TomAugspurger opened this issue over 5 years ago

DEPR: pandas/core

jreback opened this issue over 5 years ago

ENH: allow EA to register types for is_scalar

jbrockmendel opened this issue over 5 years ago

Indexing on series where index is output from pd.cut

kuchenrolle opened this issue over 5 years ago

Slicing Series takes from sparse DataFrame with missing values slow

gincla opened this issue over 5 years ago

TimeStamp column name to_csv date_format

EnlNovius opened this issue over 5 years ago

ENH: support 'duplicated' functionality for ExtensionArrays

jorisvandenbossche opened this issue over 5 years ago

DEPR: msgpack

jreback opened this issue over 5 years ago

Use pytest tmp file management fixtures instead of ensure_clean[_path|_dir]

jgehrcke opened this issue over 5 years ago

Dataframe.mean with numeric_only=False results in error with strings

smangham opened this issue over 5 years ago

.astype() and Decimal

shadchin opened this issue over 5 years ago

Import pandas is stopping python service

RamrajSekar opened this issue over 5 years ago

Replace flat columns with hierarchical while merge

dinya opened this issue over 5 years ago

Investigate performance regression in TimeSeries.infer_freq

TomAugspurger opened this issue over 5 years ago

BUG: pivot_table with margins=True and numeric columns is buggy

jschendel opened this issue over 5 years ago

ExtensionDtype is missing hasobject

mitar opened this issue over 5 years ago

Inconsistent behaviour of __getitem__ and .loc with slices for DataFrames with MultiIndex columns

plammens opened this issue over 5 years ago

df.groupby on a column with complex numbers is broken

basnijholt opened this issue over 5 years ago

Add Annotations to assert_*_equal functions

WillAyd opened this issue over 5 years ago

DataFrame with datetime column cannot concat with non-identical columns

ruiann opened this issue over 5 years ago

AWS_S3_HOST environment variable no longer available

jakobkogler opened this issue almost 6 years ago

Plotting ExtensionArrays

andrewgsavage opened this issue almost 6 years ago

Weird performance characteristics of resampled quantile() function (100 times slower)

ghost opened this issue almost 6 years ago

to_parquet and read_parquet are not symmetric if a column contains python lists

dave-kirby opened this issue almost 6 years ago

PERF: Performance regression (memory and time) on set_index method between 0.20.3 and 0.24.2

Ahrimanox opened this issue almost 6 years ago

Setting index = false in function to_csv is not working

iamdeepti opened this issue almost 6 years ago

Groupby on single key should be accessible by tuple of length 1

KeithWM opened this issue almost 6 years ago

Extremely Slow `Block.setitem()` when `value` is a builtin python type.

kykosic opened this issue almost 6 years ago

Design of DataFrame.where() is potentially counter-intuitive

scwilkinson opened this issue almost 6 years ago

pivot and pivot_table not able to handle complex numbers

Haigutus opened this issue almost 6 years ago

subplots=True automatic xlim considers nan values since 0.24

JoElfner opened this issue almost 6 years ago

RecursionError with using a list or tuple as 'other' in .where or .mask

gwerbin opened this issue almost 6 years ago

Pandas doesn't recognize Pyarrow as a Parquet engine even though it's installed

bmwilly opened this issue almost 6 years ago

bug - Pandas subplots loses data when sharex=True

ERIPECH opened this issue almost 6 years ago

Need way to get original column order (read_csv, read_json)

rfernand2 opened this issue about 6 years ago

Pandas doesn't always cast strings to int consistently when using .isin()

BasilBeirouti opened this issue about 6 years ago

read_sql had got stuck

wsty opened this issue about 6 years ago

API: ExtensionArray.astype to only return extension arrays ?

jorisvandenbossche opened this issue about 6 years ago

changing order of keys?

epierson9 opened this issue about 6 years ago

Fatal error with astype if duplicate columns are supplied for categorical

thomasfrederikhoeck opened this issue about 6 years ago

MemoryError on Left Merge

Shellcat-Zero opened this issue about 6 years ago

ValueError when using multi-level sum on Pandas DataFrame with empty columns

nheeren opened this issue about 6 years ago

dtype for tz-naive DatetimeArray and TimedeltaArray