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Pull requests: pandas-dev/pandas
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FIX: Fix problems with Series text representation. Bug Output-Formatting __repr__ of pandas objects, to_string
BUG: Dense ranking with percent now uses 100% basis Bug Numeric Operations Arithmetic, Comparison, and Logical operations
PERF: improves performance in GroupBy.cumcount Bug Groupby Performance Memory or execution speed performance
BUG: Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Categorical Categorical Data Type Groupby
DataFrameGroupBy.value_counts includes non-observed categories of non-grouping columns Algos BUG: non-iterable value in meta raise error in json_normalize Bug IO JSON read_json, to_json, json_normalize
BUG: Don't raise for NDFrame.mask with nullable boolean Bug NA - MaskedArrays Related to pd.NA and nullable extension arrays
BUG: to_html() with formatters=<list> and max_cols fixed Bug IO HTML read_html, to_html, Styler.apply, Styler.applymap
#28183 by gabriellm1 was merged Sep 16, 2019 Loading…
5 tasks done
BUG: inconsistency between replace dict using integers and using strings (#20656) Bug Compat pandas objects compatability with Numpy or Python functions Strings String extension data type and string data
BUG: pandas.DataFrame().stack() raise an error, while expected is empty Bug MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: rolling.quantile does not return an interpolated result Bug Numeric Operations Arithmetic, Comparison, and Logical operations Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Fix Series[timedelta64]+DatetimeIndex[tz] bugs Bug Datetime Datetime data dtype Timedelta Timedelta data type Timezones Timezone data dtype
BUG: Enable Series.equals to compare numpy arrays to scalars Bug Numeric Operations Arithmetic, Comparison, and Logical operations
Bugfix for constructing empty Series, with index, using ExtensionDtyp… Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: when Index is numeric and indexer is boolean (#16877) Bug Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Fix describe(): percentiles (#13104), col index (#13288) Bug Output-Formatting __repr__ of pandas objects, to_string
BUG/PERF: groupby.transform with unobserved categories Apply Apply, Aggregate, Transform, Map Bug Categorical Categorical Data Type Groupby Performance Memory or execution speed performance
BUG: Create empty dataframe with string dtype fails Bug Constructors Series/DataFrame/Index/pd.array Constructors ExtensionArray Extending pandas with custom dtypes or arrays.
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