February 23, 2021 – March 2, 2021
Overview
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1 Release published by 1 person
-
v1.2.3 Pandas 1.2.3
published
Mar 2, 2021
107 Pull requests merged by 25 people
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BUG: DataFrame(frozenset) should raise
#40163 merged
Mar 2, 2021 -
Deprecate DataFrame indexer for iloc setitem and getitem
#39022 merged
Mar 2, 2021 -
PERF: don't sort data twice in groupby apply when not using libreduction fast_apply
#40176 merged
Mar 2, 2021 -
BUG: df.loc setitem-with-expansion with duplicate index
#40096 merged
Mar 2, 2021 -
[ArrayManager] Ensure to store datetimelike data as DatetimeArray/TimedeltaArray (and not ndarray)
#40147 merged
Mar 2, 2021 -
REF: refactor array_strptime_with_fallback from to_datetime
#40156 merged
Mar 2, 2021 -
Use tempfile for creating a file in home directory for a IO test
#40122 merged
Mar 2, 2021 -
REF: move Block.astype implementation to dtypes/cast.py
#40141 merged
Mar 2, 2021 -
REF: remove internal Block usage from FrameColumnApply
#40166 merged
Mar 2, 2021 -
ENH: Arrow backed string array - implement factorize() method without casting to objects
#38007 merged
Mar 2, 2021 -
Backport PR #40170 on branch 1.2.x (DOC: Start v1.2.4 release notes)
#40172 merged
Mar 2, 2021 -
DOC: Start v1.2.4 release notes
#40170 merged
Mar 2, 2021 -
Backport PR #40137 on branch 1.2.x (DOC: 1.2.3 release date)
#40165 merged
Mar 2, 2021 -
STYLE: Inconsistent namespace - dtypes (pandas-dev#39992)
#40161 merged
Mar 2, 2021 -
STYLE: incondintent namaspace(series)
#40159 merged
Mar 2, 2021 -
DOC: 1.2.3 release date
#40137 merged
Mar 2, 2021 -
REF: avoid circular (runtime) import in dtypes.cast
#40155 merged
Mar 1, 2021 -
PERF: extract_array -> _values
#40150 merged
Mar 1, 2021 -
CI, TST enable branch coverage
#40142 merged
Mar 1, 2021 -
TYP: to_arrays, BUG: from_records empty dtypes
#40121 merged
Mar 1, 2021 -
REF: share recarray constructor code
#40129 merged
Mar 1, 2021 -
PERF: DTA/TDA _simple_new disallow i8 values
#40116 merged
Mar 1, 2021 -
REF: re-use objects_to_datetime64ns in maybe_infer_to_datetimelike
#40120 merged
Mar 1, 2021 -
STYLE update pre-commit-config
#40125 merged
Mar 1, 2021 -
CLN: Window aggregation typing
#40119 merged
Mar 1, 2021 -
BENCH: collect low-dependency asvs
#39917 merged
Mar 1, 2021 -
CLN: remove conda recipe
#40128 merged
Mar 1, 2021 -
to_offset was not using the compiled regex
#40138 merged
Mar 1, 2021 -
[ArrayManager] TST: resample tests
#40085 merged
Mar 1, 2021 -
TST: collect tests by method, split large tests
#40133 merged
Mar 1, 2021 -
TST: share value_counts tests
#40132 merged
Mar 1, 2021 -
Backport PR #40090 on branch 1.2.x
#40117 merged
Feb 28, 2021 -
STYLE: Inconsistent namespace - reshape (#39992)
#40058 merged
Feb 28, 2021 -
ENH: Implement unary operators for FloatingArray class
#39916 merged
Feb 28, 2021 -
CI: skip array-manager test
#40118 merged
Feb 28, 2021 -
BUG: format multiple CSS selectors correctly
#39942 merged
Feb 27, 2021 -
BUG: Series([Timestamp, int], dtype=m8ns) dropping nanoseconds
#40100 merged
Feb 27, 2021 -
BENCH: skip slowest tzlocal asvs
#39995 merged
Feb 27, 2021 -
BUG: Sampling over selected groupbys does not reflect the selection
#40039 merged
Feb 27, 2021 -
REF/BUG: ensure we get DTA/TDA/PA back from Index._intersection
#40064 merged
Feb 27, 2021 -
[ArrayManager] Remove apply_with_block usage for diff()
#40079 merged
Feb 27, 2021 -
[ArrayManager] Remaining GroupBy tests (fix count, pass on libreduction for now)
#40050 merged
Feb 27, 2021 -
REF/BUG: cast back to datetimelike in pad/backfill
#40052 merged
Feb 27, 2021 -
API: dont-special-case datetimelike in setting new column
#40084 merged
Feb 27, 2021 -
CLN: remove never-hit branch from maybe_infer_to_datetimelike
#40109 merged
Feb 27, 2021 -
BLD: updated mypy version to 0.812
#40107 merged
Feb 27, 2021 -
REF: don't call libalgos.groupsort_indexer directly for simple argsort usage
#40105 merged
Feb 27, 2021 -
REF: unify casting logic in Categorical.__init__
#40097 merged
Feb 27, 2021 -
REF: remove sanitize_index
#40089 merged
Feb 27, 2021 -
REG: DataFrame/Series.transform with list and non-list dict values
#40090 merged
Feb 27, 2021 -
ENH: Add I/O support of XML with pandas.read_xml and DataFrame.to_xml…
#39516 merged
Feb 27, 2021 -
REF: Remove series_apply
#40108 merged
Feb 27, 2021 -
TYP: incorrect annotations in internals.construction
#40061 merged
Feb 27, 2021 -
CI: typo fixup for ResourceWarning
#40088 merged
Feb 27, 2021 -
REF: tighten types in maybe_downcast_numeric, maybe_downcast_to_dtype
#40087 merged
Feb 27, 2021 -
TST: Fix pandas.io.stata imports in test_stata.py
#40094 merged
Feb 26, 2021 -
fix benchmark failure with numpy 1.20+
#39994 merged
Feb 26, 2021 -
REF: avoid object-dtype casting in Block.replace
#40082 merged
Feb 26, 2021 -
REF: tighter types in maybe_infer_to_datetimelike
#40086 merged
Feb 26, 2021 -
BUG: maybe_convert_objects with timedelta64 nat
#40062 merged
Feb 26, 2021 -
BUG: construct_1d_ndarray_preserving_na with dt64/td64 and object dtype
#40068 merged
Feb 26, 2021 -
ERR: re-raise OverflowError as OutOfBoundsTimedelta
#40065 merged
Feb 26, 2021 -
STYLE: inconsistent namespace (io, reshape)
#40069 merged
Feb 26, 2021 -
Backport PR #39451: BUG: raise when sort_index with ascending=None
#40083 merged
Feb 26, 2021 -
PERF: EWMA with times
#40072 merged
Feb 26, 2021 -
TST: collect Index tests by method
#40070 merged
Feb 26, 2021 -
CLN: remove unused arg from _ensure_data
#40071 merged
Feb 26, 2021 -
Remove numpy pin from environment.yml on 1.2.x
#39998 merged
Feb 26, 2021 -
CLN: rename init_dict/ndarray to dict/ndarray_to_mgr for consistency
#40074 merged
Feb 26, 2021 -
BUG: raise when sort_index with ascending=None
#39451 merged
Feb 26, 2021 -
Backport PR #40010 on branch 1.2.x
#40040 merged
Feb 26, 2021 -
BUG: revert parts of #40037
#40053 merged
Feb 25, 2021 -
STYLE: Inconsistent namespace - groupby (#39992)
#40056 merged
Feb 25, 2021 -
STYLE: Inconsistent namespace - Indexes (#39992)
#40001 merged
Feb 25, 2021 -
TST: fix moved test reference
#40051 merged
Feb 25, 2021 -
[ArrayManager] Groupby cython aggregation - python pyfallback
#40047 merged
Feb 25, 2021 -
ENH: NDArrayBackedExtensionArray swapaxes, delete-with-axis
#39963 merged
Feb 25, 2021 -
TST: collect indexing tests by method
#40042 merged
Feb 25, 2021 -
[ArrayManager] GroupBy cython aggregations (no fallback)
#39885 merged
Feb 25, 2021 -
BUG/REF: Refactor BaseWindowIndex so groupby.apply has a consistent index output
#39765 merged
Feb 25, 2021 -
CI: troubleshoot OOB timedelta test
#40036 merged
Feb 25, 2021 -
ENH: recognize Decimal("NaN") in pd.isna
#39409 merged
Feb 25, 2021 -
REF: catch less in maybe_cast_to_datetime
#40037 merged
Feb 25, 2021 -
Backport PR #40019 on branch 1.2.x (DOC: Edit regression fix release note)
#40025 merged
Feb 25, 2021 -
REF: Consolidate validation of dictionary argument in agg/transform
#40004 merged
Feb 25, 2021 -
REF: extract_array earlier in block construction
#40026 merged
Feb 25, 2021 -
[ArrayManager] Test DataFrame reductions + implement ignore_failures
#39719 merged
Feb 25, 2021 -
PERF: make Categorical _ndarray, attribute, _codes property
#40033 merged
Feb 25, 2021 -
TST: port Dim2CompatTests
#39880 merged
Feb 25, 2021 -
Backport PR #40020 on branch 1.2.x (CI/TST: Supply dtype to coo_matrix until scipy is fixed)
#40034 merged
Feb 25, 2021 -
CI/TST: Supply dtype to coo_matrix until scipy is fixed
#40020 merged
Feb 24, 2021 -
REF: share common code in ArrayManager.get_numeric_data/get_bool_data
#40030 merged
Feb 24, 2021 -
STYLE: Inconsistent namespace - base (pandas-dev#39992)
#40031 merged
Feb 24, 2021 -
STYLE: Inconsistent namespace - apply (pandas-dev#39992)
#40029 merged
Feb 24, 2021 -
sanitize_array raise_cast_failure default to True
#40012 merged
Feb 24, 2021 -
PERF: make DTA/TDA/PA _ndarray the attribute, _data the property
#40007 merged
Feb 24, 2021 -
REGR: compressed to_json with URL-like paths and binary objects
#40010 merged
Feb 24, 2021 -
BUG: Cannot sample on DataFrameGroupBy with weights when index is specified
#40015 merged
Feb 24, 2021 -
REF: move Block construction in groupby aggregation to internals
#39997 merged
Feb 24, 2021 -
TST: collect indexing tests by method
#40011 merged
Feb 24, 2021 -
BUG: overflow in astype(td64ns)
#40008 merged
Feb 24, 2021 -
DOC: Edit regression fix release note
#40019 merged
Feb 24, 2021 -
Backport PR #39978 on branch 1.2.x (DOC: fix template substitution in pad/bfill docstrings)
#40017 merged
Feb 24, 2021 -
BUG: Groupby ops on empty objects loses index, columns, dtypes
#39940 merged
Feb 24, 2021 -
BUG: DataFrame.agg and apply with 'size' returns a scalar
#39935 merged
Feb 24, 2021 -
DOC: fix template substitution in pad/bfill docstrings
#39978 merged
Feb 24, 2021 -
BUG: rolling not calculating window bounds correctly with offset and desc dates
#40006 merged
Feb 24, 2021
33 Pull requests opened by 18 people
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Rank documentation
#40016 opened
Feb 24, 2021 -
BUG: raise on RangeIndex.array
#40022 opened
Feb 24, 2021 -
PERF: json_normalize, for basic use case
#40035 opened
Feb 24, 2021 -
PERF: NDArrayBacked in cython
#40054 opened
Feb 25, 2021 -
BUG/ENH: `Styler.format()` always inherits from `.set_na_rep()`
#40060 opened
Feb 25, 2021 -
REF: move logic of 'block manager axis' into the BlockManager
#40075 opened
Feb 26, 2021 -
REF, TYP: factor out _mark_right from _add_legend_handle
#40078 opened
Feb 26, 2021 -
TST/REF: Consolidate tests in apply.test_invalid_arg
#40092 opened
Feb 26, 2021 -
Excel skip blank lines
#40095 opened
Feb 27, 2021 -
DEPS: replace pyperclip with pyclip #39834
#40101 opened
Feb 27, 2021 -
CLN/TST: normalize test_frame_apply
#40113 opened
Feb 27, 2021 -
API: silent overflow in Series(bigints, dtype="int8")
#40114 opened
Feb 27, 2021 -
BUG: Set dtypes of new columns when stacking (#36991)
#40127 opened
Feb 28, 2021 -
#39367 DOC: split contributing.rst
#40130 opened
Mar 1, 2021 -
DEPR: `Styler.set_na_rep` and `.set_precision` in favour of `.format(na_rep='x', precision=3)`
#40134 opened
Mar 1, 2021 -
WIP: ENH: Support ZoneInfo timezones
#40135 opened
Mar 1, 2021 -
REGR: reduction operations failing if `min_count` is larger
#40143 opened
Mar 1, 2021 -
POC/REF: Back DTBlock/TDBlock directly by (sometimes 2D) DTA/TDA
#40149 opened
Mar 1, 2021 -
[ArrayManager] Add SingleArrayManager to back a Series
#40152 opened
Mar 1, 2021 -
TYP: internals.construction
#40154 opened
Mar 1, 2021 -
BUG: Add decl when xml_declaration=True and pretty_print=False for et…
#40162 opened
Mar 2, 2021 -
BUG: EWM.__getitem__ raised error with times
#40164 opened
Mar 2, 2021 -
[ArrayManager] Add libreduction frame Slider for ArrayManager
#40171 opened
Mar 2, 2021 -
TYP use bool_t instead of bool in pandas/core/generic.py
#40175 opened
Mar 2, 2021 -
BUG: more specific .drop() message when keys not found
#40177 opened
Mar 2, 2021 -
PERF: cache _get_cython_function in groupby ops
#40178 opened
Mar 2, 2021 -
Make Index.all compatible with numpy.all
#40180 opened
Mar 2, 2021 -
CLN: Refactor tests and delete duplicates
#40181 opened
Mar 2, 2021 -
API: pseudo-public internals API for downstream libraries
#40182 opened
Mar 2, 2021 -
REF: split out to_datetime_with_unit, _to_datetime_with_format
#40185 opened
Mar 2, 2021 -
REF: move mixed-int handling from maybe_cast_to_datetime
#40187 opened
Mar 2, 2021 -
CI: xfail npdev test_groupby_apply_identity
#40188 opened
Mar 2, 2021 -
ENH: ArrayManager.quantile
#40189 opened
Mar 3, 2021
52 Issues closed by 18 people
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BUG: groupby apply does not work as expected if df is modified in the function
#40167 closed
Mar 3, 2021 -
BUG: Index of RHS of series assignment ignored
#40184 closed
Mar 3, 2021 -
BUG: IndexError: positional indexers are out-of-bounds iloc boolean indexing
#39004 closed
Mar 2, 2021 -
BUG: Creating an empty dataframe
#40179 closed
Mar 2, 2021 -
CLN: Simplify Block._astype
#22369 closed
Mar 2, 2021 -
BUG: IO unit test creates file at home directory
#40091 closed
Mar 2, 2021 -
Styling subset fails with multi-indexing
#19064 closed
Mar 2, 2021 -
RLS: 1.2.3
#39698 closed
Mar 2, 2021 -
BUG: MonthEnd(), April 31, 2020 is not a date
#40151 closed
Mar 1, 2021 -
typing_extensions
#37119 closed
Mar 1, 2021 -
BUG: to_offset doesn't use the compiled regex
#39988 closed
Mar 1, 2021 -
ENH: Renaming and changing dtypes using single dictionary
#40126 closed
Feb 28, 2021 -
Wrong date math
#39866 closed
Feb 28, 2021 -
BUG: mypy doesn't understand the ~ operand for Series
#37489 closed
Feb 28, 2021 -
BUG: PyMysql : module 'sqlalchemy' has no attribute 'engine'
#37698 closed
Feb 28, 2021 -
QST: panda fillna SettingWithCopyWarning:
#37709 closed
Feb 28, 2021 -
BUG: Ignore_index on concat does not ignore index
#39896 closed
Feb 28, 2021 -
BUG: pd.read_csv ignores columns with only zeros
#39906 closed
Feb 28, 2021 -
Add hacktoberfest topic to the repo
#36837 closed
Feb 28, 2021 -
BUG: TypeError: bad operand type for unary -: 'FloatingArray'
#38749 closed
Feb 28, 2021 -
BUG: using a list in "selector" for set_table_styles produces wrong rules
#34061 closed
Feb 27, 2021 -
BUG: Sampling over selected groupbys does not reflect the selection
#39928 closed
Feb 27, 2021 -
CI update mypy pin
#40106 closed
Feb 27, 2021 -
BUG: DataFrame/Series.transform with list and non-list dict values
#40018 closed
Feb 27, 2021 -
ENH: to_xml, read_xml
#27554 closed
Feb 27, 2021 -
BUG: Sum on large integers incorrect after rolling timewindow
#40043 closed
Feb 27, 2021 -
BUG: groupby().tranforms return ValueError
#40102 closed
Feb 27, 2021 -
QST: Invalid representation of data
#40081 closed
Feb 27, 2021 -
How to stop sorting in pivot_table and pivot?
#40055 closed
Feb 27, 2021 -
PERF: ewm passed with times is so slow compared to ewm pased with int
#39784 closed
Feb 26, 2021 -
BUG: Regression in sort_index with ascending=None
#39434 closed
Feb 26, 2021 -
BUG:
#40076 closed
Feb 26, 2021 -
BUG: Series.groupby.sum fails because result has _values attribute but not ndim attribute
#40045 closed
Feb 26, 2021 -
BUG: groupby.rolling drops MultiIndex level
#40067 closed
Feb 26, 2021 -
CI: tests failing on 3.7 builds
#40048 closed
Feb 25, 2021 -
BUG: cannot use category dtype in pandas read_json method
#40063 closed
Feb 25, 2021 -
BUG: pandas read_json
#40059 closed
Feb 25, 2021 -
February 2021 Docs Meeting
#39833 closed
Feb 25, 2021 -
Legend of point-style items go missing
#20418 closed
Feb 25, 2021 -
BUG: Resulting index from groupby.apply is different depending on whether a RollingGroupby object is created
#39732 closed
Feb 25, 2021 -
Support Decimal("NaN") is pandas.isna
#23530 closed
Feb 25, 2021 -
BUG: to_json fails writing to GCS with compression
#39985 closed
Feb 24, 2021 -
BUG: Cannot sample on DataFrameGroupBy with weights when index is specified
#39927 closed
Feb 24, 2021 -
Dataframe pivot_table() returning a multi-index for a single value, empty dataframe
#13483 closed
Feb 24, 2021 -
Grouping, then resampling empty DataFrame leads to it losing column names and index
#26411 closed
Feb 24, 2021 -
BUG: DataFrame.agg and apply with 'size' returns a scalar
#39934 closed
Feb 24, 2021 -
DOC: Series.pad has template variables that are not replaced
#39640 closed
Feb 24, 2021 -
[BUG] - Can't build pandas with msvc compiler (on Windows)
#39970 closed
Feb 24, 2021 -
BUG: rolling with time window does not always pick edge correctly
#40002 closed
Feb 24, 2021
39 Issues opened by 31 people
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BUG: MultiIndex block assignment introduces NaNs in data
#40186 opened
Mar 2, 2021 -
BUG: to_sql not properly escaping column names postgresql
#40183 opened
Mar 2, 2021 -
RLS: 1.3
#40169 opened
Mar 2, 2021 -
RLS: 1.2.4
#40168 opened
Mar 2, 2021 -
BUG:df.drop(columns=["col1"]) KeyError "['col1'] not found in axis"
#40160 opened
Mar 2, 2021 -
BUG/API: Series(dt64tz_data, dtype="datetime64[ns]") behavior inconsistent
#40157 opened
Mar 1, 2021 -
BUG: groupby drops string dtype
#40148 opened
Mar 1, 2021 -
BUG: Non-deterministic AttributeError exception accessing DataFrame columns
#40146 opened
Mar 1, 2021 -
BUG: Regression in PeriodIndex.loc string slicing behaviour between 1.0.x and >= 1.1.0
#40145 opened
Mar 1, 2021 -
CI: failing numpy_dev 3.8 build
#40144 opened
Mar 1, 2021 -
ENH: re-implement DataFrame.lookup.
#40140 opened
Mar 1, 2021 -
BUG:AttributeError: 'SeriesGroupBy' object has no attribute 'kurtosis'
#40139 opened
Mar 1, 2021 -
Pandas IO XML Issue Tracker
#40131 opened
Mar 1, 2021 -
DEPR: `Styler.where` in favour of using `applymap` and `apply`
#40124 opened
Feb 28, 2021 -
Performance regression in reindex.Fillna.time_float_32, etc.
#40123 opened
Feb 28, 2021 -
BUG: index map leading to ValueError: Reindexing only valid with uniquely valued Index objects
#40115 opened
Feb 27, 2021 -
API: Signature of UDF methods
#40112 opened
Feb 27, 2021 -
API/BUG: partially-inferring datetimes
#40111 opened
Feb 27, 2021 -
API/BUG: Series(floating, dtype=intlike) ignores dtype, DataFrame casts
#40110 opened
Feb 27, 2021 -
API: make CachedAccessor public in addition to register_dataframe_accessor
#40103 opened
Feb 27, 2021 -
BUG: ewma with time should not update value when timedelta between two steps is 0
#40099 opened
Feb 27, 2021 -
BUG: GroupBy.apply reruns the full loop if an exception is raised
#40093 opened
Feb 26, 2021 -
BUG: Empty dataframe created with Index, not RangeIndex
#40077 opened
Feb 26, 2021 -
BUG: Outer merge casts dtype string to object
#40073 opened
Feb 26, 2021 -
Mystery: bi-modal benchmarks
#40066 opened
Feb 25, 2021 -
ENH: Group names in a groupby should be `namedtuple` instead of `tuple`
#40057 opened
Feb 25, 2021 -
BUG: read_csv accepts bad lines when option usecols is used
#40049 opened
Feb 25, 2021 -
BUG: plotting with `secondary_y` and then plotting another line results in wrong color for (right) line
#40044 opened
Feb 25, 2021 -
PERF: Performance Regression GroupBy apply
#40041 opened
Feb 25, 2021 -
ENH: change behavior in reading malformat file
#40038 opened
Feb 24, 2021 -
BUG: Styler format `na_rep` arg overwrites existing when not given.
#40032 opened
Feb 24, 2021 -
CLN/TST: Revert supplying dtype to scipy.sparse.coo_matrix
#40027 opened
Feb 24, 2021 -
TST: find solution for extension/tests_numpy.py (PandasArray base extension tests)
#40021 opened
Feb 24, 2021 -
BUG: "groupby" failed for dataframe with object-type index
#40014 opened
Feb 24, 2021 -
BUG: Issues with return type hint and/or definition of `pandas.core.generic.NDFrame.__hash__`
#40013 opened
Feb 24, 2021
94 Unresolved conversations
Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.
-
[ArrayManager] DataFrame constructors
#39991 commented on
Mar 2, 2021 • 33 new comments -
ENH: 'encoding_errors' argument for read_csv/json
#39777 commented on
Mar 3, 2021 • 22 new comments -
[ArrayManager] TST: get tests running for /tests/frame
#39700 commented on
Feb 27, 2021 • 12 new comments -
BUG: Docs website is blocked by google safe browsing
#39862 commented on
Feb 28, 2021 • 10 new comments -
ENH: Implement rounding for floating dtype array #38844
#39751 commented on
Mar 1, 2021 • 9 new comments -
[WIP] ENH: Groupby mode
#39867 commented on
Feb 27, 2021 • 8 new comments -
Arrow string array dtype
#39908 commented on
Mar 2, 2021 • 8 new comments -
BUG: Index.union() inconsistent with non-unique Indexes
#36299 commented on
Mar 2, 2021 • 7 new comments -
DOC : Updated the comparison with spreadsheets with GroupBy
#39965 commented on
Feb 28, 2021 • 7 new comments -
#31793 Add support for subtracting datetime from Timestamp
#37329 commented on
Mar 3, 2021 • 6 new comments -
Proposal for future copy / view semantics in indexing operations
#36195 commented on
Feb 26, 2021 • 5 new comments -
Add back skip_blank_lines to read_excel in pandas v>1.1.4
#39808 commented on
Feb 27, 2021 • 5 new comments -
Deprecate: `level` parameter for aggregations in DataFrame and Series
#39983 commented on
Feb 27, 2021 • 5 new comments -
STYLE Increase coverage of inconsistent-namespace-usage
#39992 commented on
Mar 2, 2021 • 5 new comments -
PERF: optimize algos.take for repeated calls
#39692 commented on
Mar 2, 2021 • 5 new comments -
ENH: Styler builtins: `highlight_range` and `highlight_quantile`
#39821 commented on
Mar 2, 2021 • 5 new comments -
DOC: Updated convert_dtype of Series.apply
#39941 commented on
Mar 2, 2021 • 4 new comments -
BUG: Incomplete Styler copy methods fix (#39708)
#39975 commented on
Mar 1, 2021 • 4 new comments -
DOC/PERF: Decide how to handle floating point artifacts during rolling calculations
#37051 commented on
Feb 25, 2021 • 3 new comments -
pandas.Dataframe.interpolate() does not extrapolate even if it is asked to, depending on interpolation method
#31949 commented on
Mar 2, 2021 • 3 new comments -
remove docs from packages
#38846 commented on
Mar 2, 2021 • 3 new comments -
BUG: Series.loc raising KeyError for Iterator indexer in case of setitem
#39623 commented on
Mar 2, 2021 • 3 new comments -
ENH: add a gradient map to background gradient
#39930 commented on
Mar 2, 2021 • 3 new comments -
BUG: Never end up with numpy string dtypes
#39566 commented on
Feb 24, 2021 • 2 new comments -
ENH: allow rolling with non-numerical (eg string) data
#23002 commented on
Feb 26, 2021 • 2 new comments -
BUG: Index set operations issues
#13432 commented on
Feb 26, 2021 • 2 new comments -
Very frustrating not to be able to apply per-column date formats exporting to Excel
#30275 commented on
Feb 28, 2021 • 2 new comments -
ENH: groupby(...).agg should only accept reducers
#35725 commented on
Feb 28, 2021 • 2 new comments -
BUG: Banklist.html was removed, failure on master
#38988 commented on
Feb 28, 2021 • 2 new comments -
ENH: Add an `assert` method to Series and DataFrame to assert on the fly in chaining
#38356 commented on
Mar 1, 2021 • 2 new comments -
BUG: reduction operations failing if `min_count` is larger
#39738 commented on
Mar 2, 2021 • 2 new comments -
API: honor copy=True when passing dict to DataFrame
#38939 commented on
Feb 27, 2021 • 2 new comments -
TST: extend check for leaked files
#39047 commented on
Feb 28, 2021 • 2 new comments -
BUG: 2D ndarray of dtype 'object' is always copied upon construction
#39272 commented on
Feb 28, 2021 • 2 new comments -
Updated read_html to add option
#39925 commented on
Feb 27, 2021 • 2 new comments -
Change in astype leads to no longer casting to numpy string dtypes
#39945 commented on
Feb 24, 2021 • 2 new comments -
sort_index not sorting when multi-index made by different categorical types
#39986 commented on
Mar 1, 2021 • 2 new comments -
BUG: fillna(0) does not fill NaNs for Float64Arrays
#39926 commented on
Feb 24, 2021 • 1 new comment -
ValueError from operations between Series with specific names
#39757 commented on
Feb 24, 2021 • 1 new comment -
Translation of official documentation into Portuguese
#39996 commented on
Feb 24, 2021 • 1 new comment -
Dataframe.query uses numexpr even when 'compute.use_numexpr' is False
#32556 commented on
Feb 25, 2021 • 1 new comment -
BUG: Wrong legend when combining multiple plots on the same axes
#39522 commented on
Feb 25, 2021 • 1 new comment -
ENH: `df.explode` should turn empty lists into *no* rows rather than a NaN row
#39915 commented on
Feb 25, 2021 • 1 new comment -
Rolling sum (closed='left') with duplicate Timestamp indices.
#20712 commented on
Feb 26, 2021 • 1 new comment -
TYP: Mypy failures with new numpy
#39513 commented on
Feb 26, 2021 • 1 new comment -
BUG: Read from S3 fails after assuming an AWS IAM role
#39325 commented on
Feb 26, 2021 • 1 new comment -
QST:Why DataFrame.pivot() will change the order of the rows of DataFrame?
#39143 commented on
Feb 27, 2021 • 1 new comment -
astype(str) / astype_unicode: np.nan converted to "nan" (checknull, skipna)
#25353 commented on
Feb 27, 2021 • 1 new comment -
Improve documentation for piecewise_polynomial interpolation
#10365 commented on
Feb 28, 2021 • 1 new comment -
No way to force read numerics as string in `read_html `
#10534 commented on
Mar 1, 2021 • 1 new comment -
BUG: Roundtrip with openpyxl and datetime precision
#38644 commented on
Mar 1, 2021 • 1 new comment -
ENH: Supporting rolling aggregations of datetime data
#26539 commented on
Mar 2, 2021 • 1 new comment -
json_normalize skips an entry in a pymongo cursor
#30323 commented on
Mar 2, 2021 • 1 new comment -
Refactor - ArrayManager overview issue
#39146 commented on
Mar 2, 2021 • 1 new comment -
DataFrame.from_records lose dtype info on empty recarray.
#20805 commented on
Mar 2, 2021 • 1 new comment -
BUG: Index.insert should coerce to the appropriate type
#16277 commented on
Mar 2, 2021 • 1 new comment -
ENH: convert masked arrays for Series
#20427 commented on
Mar 3, 2021 • 1 new comment -
BUG: Categorical.unique should keep dtype unchanged
#38140 commented on
Mar 2, 2021 • 1 new comment -
API: add EA._from_scalars / stricter casting of result values back to EA dtype
#38315 commented on
Mar 1, 2021 • 1 new comment -
TYP: pandas/core/missing.py
#38339 commented on
Feb 24, 2021 • 1 new comment -
DOC: add new page 'how to read these doc' in get started section
#39207 commented on
Mar 1, 2021 • 1 new comment -
Fixed code breakage for return_type = tuples for axis = 0
#39375 commented on
Mar 1, 2021 • 1 new comment -
BUG: #35830 Restore index & slice by date to DatetimeIndex
#39380 commented on
Feb 25, 2021 • 1 new comment -
Changed pct_change parameters to calculate pct_change right-to-left f…
#39740 commented on
Feb 26, 2021 • 1 new comment -
[POC] PERF: 1d version of the cython grouped aggregation algorithms
#39861 commented on
Feb 24, 2021 • 1 new comment -
TYP: hashing
#39949 commented on
Feb 27, 2021 • 1 new comment -
sort_index not sorting when multi-index made by different categorical types
#24271 commented on
Feb 25, 2021 • 0 new comments -
ENH: read_csv: Warn when dtype or converters contain keys that do not exist in the data
#39467 commented on
Feb 25, 2021 • 0 new comments -
DOC: add comparison to spreadsheets
#38990 commented on
Feb 25, 2021 • 0 new comments -
BUG: read_excel with engine=openpyxl is including nanoseconds (inaccurate at times it seems) in datetimes where xlrd did not
#39599 commented on
Feb 26, 2021 • 0 new comments -
PERF: json_normalize
#15621 commented on
Feb 27, 2021 • 0 new comments -
Groupby with multiple aggregations doesn't pass through positional or keyword arguments.
#26611 commented on
Feb 28, 2021 • 0 new comments -
KeyError in datetime pandas when accessing with datetime.date
#38037 commented on
Feb 28, 2021 • 0 new comments -
BUG: MultiIndex loses category after .stack()
#36991 commented on
Mar 1, 2021 • 0 new comments -
BUG: AttributeError: 'BlockManager' object has no attribute 'is_mixed_type' when trying to jsonify dataframe.
#39837 commented on
Mar 2, 2021 • 0 new comments -
BUG: Regression in `assert_frame_equal` when using `check_like`
#39739 commented on
Mar 2, 2021 • 0 new comments -
DOC: doc-string validation broken
#39688 commented on
Mar 2, 2021 • 0 new comments -
BUG: Series.where behaves inconsistent
#39595 commented on
Mar 2, 2021 • 0 new comments -
BUG: Concatenating categorical datetime columns raises a ValueError since v1.2
#39443 commented on
Mar 2, 2021 • 0 new comments -
BUG: replace fails with IndexError when regex parameter is passed a dictionary with multiple items
#39338 commented on
Mar 2, 2021 • 0 new comments -
DOC: fix the incorrect doc style in 1.2.1
#39290 commented on
Mar 2, 2021 • 0 new comments -
REGR: comparison op with dask data structure fails
#38946 commented on
Mar 2, 2021 • 0 new comments -
BUG: MultiIndex RollingGroupby returns only one level of index
#38523 commented on
Mar 2, 2021 • 0 new comments -
API: Preferred MultiIndex result for groupby().rolling() for an object with a MultiIndex
#38787 commented on
Mar 2, 2021 • 0 new comments -
BUG: Styler `copy` methods not updated for recent additions
#39708 commented on
Mar 2, 2021 • 0 new comments -
ENH: Enable multiple spaces in printing DF in IPython (through HTML)
#21642 commented on
Mar 2, 2021 • 0 new comments -
BUG: df[col] = arr should not overwrite data in df[col]
#35417 commented on
Feb 27, 2021 • 0 new comments -
CI: unpin numpy for CI / Checks github action
#36092 commented on
Mar 2, 2021 • 0 new comments -
ENH: Raise ParserWarning when length of names does not match length of data
#38587 commented on
Mar 2, 2021 • 0 new comments -
Center rolling window for time offset
#38780 commented on
Feb 25, 2021 • 0 new comments -
ENH: 2D support for MaskedArray
#38992 commented on
Mar 2, 2021 • 0 new comments -
API/BUG: always try to operate inplace when setting with loc/iloc[foo, bar]
#39163 commented on
Feb 26, 2021 • 0 new comments -
REF/API: DataFrame.__setitem__ never operate in-place
#39510 commented on
Feb 27, 2021 • 0 new comments -
CI: enable arm64 build on drone.io #39730
#39742 commented on
Mar 1, 2021 • 0 new comments