![]() () has been added, for compatibility with () ( GH5167) Rolling.var(), Expanding.var(), Rolling.std(), and Expanding.std() now support Numba execution with the engine keyword ( GH44461) New option display.max_dir_items customizes the number of columns added to Dataframe._dir_() and suggested for tab completion ( GH37996)Īdded “Juneteenth National Independence Day” to USFederalHolida圜alendar ( GH44574) NaT.to_numpy() dtype argument is now respected, so np.timedelta64 can be returned ( GH44460) Timestamp.isoformat() now handles the timespec argument from the base datetime class ( GH26131) an(), GroupBy.std(), GroupBy.var(), and GroupBy.sum() now support Numba execution with the engine keyword ( GH43731, GH44862, GH44939) Read_excel() now accepts a decimal argument that allow the user to specify the decimal point when parsing string columns to numeric ( GH14403) Read_csv() now accepts a callable function in on_bad_lines when engine="python" for custom handling of bad lines ( GH5686)ĮxcelWriter argument if_sheet_exists="overlay" option added ( GH40231) Default is None ( GH43563, GH32835, GH25549)ĭataFrame.dropna() now accepts a single label as subset along with array-like ( GH41021)Īdded DataFrameGroupBy.value_counts() ( GH43564) () now supports a regex argument that explicitly specifies whether the pattern is a regular expression. The error raised when an optional dependency can’t be imported now includes the original exception, for easier investigation ( GH43882)Īdded ExponentialMovingWindow.sum() ( GH13297) IntegerArray.all(), IntegerArray.any(), FloatingArray.any(), and FloatingArray.all() use Kleene logic ( GH41967)Īdded support for nullable boolean and integer types in DataFrame.to_stata(), StataWriter, StataWriter117, and StataWriterUTF8 ( GH40855)ĭataFrame._pos_() and DataFrame._neg_() now retain ExtensionDtype dtypes ( GH43883) Methods that relied on hashmap based algos such as DataFrameGroupBy.value_counts(), unt() and factorize() ignored imaginary component for complex numbers ( GH17927)Īdd () and () introduced in Python 3.9 to remove pre-/suffixes from string-type Series ( GH36944)Īttempting to write into a file in missing parent directory with DataFrame.to_csv(), DataFrame.to_html(), DataFrame.to_excel(), DataFrame.to_feather(), DataFrame.to_parquet(), DataFrame.to_stata(), DataFrame.to_json(), DataFrame.to_pickle(), and DataFrame.to_xml() now explicitly mentions missing parent directory, the same is true for Series counterparts ( GH24306) Read_table() now supports the argument storage_options ( GH39167)ĭataFrame.to_stata() and StataWriter() now accept the keyword only argument value_labels to save labels for non-categorical columns ( GH38454) GroupBy.cummin() and GroupBy.cummax() now support the argument skipna ( GH34047) See Window Overview for performance and functional benefits ( GH42273) Series.ewm() and DataFrame.ewm() now support a method argument with a 'table' option that performs the windowing operation over an entire DataFrame. A generator will be more performant, especially with replace=False ( GH38100) Series.sample(), DataFrame.sample(), and GroupBy.sample() now accept a np.random.Generator as input to random_state. to_dict ( orient = 'tight' ) Out: Other enhancements #Ĭoncat() will preserve the attrs when it is the same for all objects and discard the attrs when they are different ( GH41828)ĭataFrameGroupBy operations with as_index=False now correctly retain ExtensionDtype dtypes for columns being grouped on ( GH41373)Īdd support for assigning values to by argument in () and () ( GH15079) : In : df Out: z1 x y z2 1 2 n1 n2 a b 1 3 c 2 4 In : df. caption ( GH43368)Īdditionally there are specific enhancements to the HTML specific rendering: Validation of certain keyword arguments, e.g. Note that formerly Styler relied on _mathjax, which has now been replaced by ( GH41395) Global options under the category pd.options.styler have been extended to configure default Styler properties which address formatting, encoding, and HTML and LaTeX rendering. ![]() The Styler.export() and e() have been updated to address all of the added functionality from v1.2.0 and v1.3.0 ( GH40675) The keyword arguments level and names have been added to Styler.hide() (and implicitly to the deprecated methods Styler.hide_index() and Styler.hide_columns()) for additional control of visibility of MultiIndexes and of Index names ( GH25475, GH43404, GH43346) The new method Styler.hide() deprecates Styler.hide_index() and Styler.hide_columns() ( GH43758) These mirror the signature of the methods already used to style and format data values, and work with both HTML, LaTeX and Excel format ( GH41893, GH43101, GH41993, GH41995) Styling and formatting of indexes has been added, with Styler.apply_index(), Styler.applymap_index() and Styler.format_index(). ![]()
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