2.1.0, ...) • Deprecations will be enforced in major releases (e.g. 1.0.0, 2.0.0, 3.0.0, ...) • API-breaking changes will be made only in major releases (except for experimental features) See Version pandas.api.indexers.BaseIndexer() class that allows users to define how window bounds are created during rolling operations. Users can define their own get_window_bounds method on a pandas. api.indexers (GH29975) Warning: StringDtype is currently considered experimental. The implementation and parts of the API may change without warning. The 'string' extension type solves several issues with object-dtype NumPy

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 910 3 API reference 913 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2396 3.16.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2396 3.16.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2396 3.16.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2398 3.16.4 pandas.api.extensions.register_index_accessor . . . .

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 910 3 API reference 913 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2396 3.16.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2396 3.16.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2396 3.16.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2398 3.16.4 pandas.api.extensions.register_index_accessor . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.2.2 Backwards incompatible API changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.2.2.1 Dependencies have increased Automatic Matplotlib Converters . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.2.2.14 Other API Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.2.3 Deprecations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 1.5.1.1 agg API for DataFrame/Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 1.5.1.2 dtype keyword

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1018 3 API reference 1019 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2668 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2668 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2668 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2670 3.15.4 pandas.api.extensions.register_index_accessor . . . .

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1017 3 API reference 1019 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2668 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2668 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2668 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2670 3.15.4 pandas.api.extensions.register_index_accessor . . . .

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 975 3 API reference 977 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2591 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2591 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2591 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2593 3.15.4 pandas.api.extensions.register_index_accessor . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.1.1 agg API for DataFrame/Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.1.2 dtype keyword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.3.2 Backwards incompatible API changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.3.2.1 Possible incompatibility Table always returns a DataFrame . . . . . . . . . . . . . . . . . . . . . . . 33 1.3.2.16 Other API Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.3.3 Reorganization

backend', '') where API (GH14130) • pandas.offsets.BusinessHour supports multiple opening hours intervals (GH15481) • read_excel() 2019) pandas: powerful Python data analysis toolkit, Release 0.25.1 1.2 Backwards incompatible API changes 1.2.1 Indexing with date strings with UTC offsets Indexing a DataFrame or Series with a DatetimeIndex ....: codes=[[0, -1, 1, 2, 3, 4]]) ....: (continues on next page) 1.2. Backwards incompatible API changes 9 pandas: powerful Python data analysis toolkit, Release 0.25.1 (continued from previous

backend', '') where API (GH14130) • pandas.offsets.BusinessHour supports multiple opening hours intervals (GH15481) • read_excel() 2019) pandas: powerful Python data analysis toolkit, Release 0.25.0 1.2 Backwards incompatible API changes 1.2.1 Indexing with date strings with UTC offsets Indexing a DataFrame or Series with a DatetimeIndex ....: codes=[[0, -1, 1, 2, 3, 4]]) ....: (continues on next page) 1.2. Backwards incompatible API changes 9 pandas: powerful Python data analysis toolkit, Release 0.25.0 (continued from previous