Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1026 3 API reference 1027 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2759 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2759 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2759 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2761 3.15.4 pandas.api.extensions.register_index_accessor . . . .

Creating example data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1026 3 API reference 1027 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2757 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2757 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2757 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2759 3.15.4 pandas.api.extensions.register_index_accessor . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 993 i 3 API reference 1033 3.1 Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2913 3.15.1 pandas.api.extensions.register_extension_dtype . . . . . . . . . . . . . . . . . . . . . . . . 2913 3.15.2 pandas.api.extensions.register_dataframe_accessor . . . . . . . . . . . . . . 2914 3.15.3 pandas.api.extensions.register_series_accessor . . . . . . . . . . . . . . . . . . . . . . . . . 2915 3.15.4 pandas.api.extensions.register_index_accessor . . . .

reshape2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 21 API Reference 199 21.1 General functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . objects • Added level argument to xs method of DataFrame. 1.3.2 API Changes to integer indexing One of the potentially riskiest API changes in 0.7.0, but also one of the most important, was a complete Retrieve the j-th column DataFrame.iget_value(i, j) Retrieve the value at row i and column j 1.3.3 API tweaks regarding label-based slicing Label-based slicing using ix now requires that the index be sorted

reshape2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 21 API Reference 199 21.1 General functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . objects • Added level argument to xs method of DataFrame. 1.2.2 API Changes to integer indexing One of the potentially riskiest API changes in 0.7.0, but also one of the most important, was a complete Retrieve the j-th column DataFrame.iget_value(i, j) Retrieve the value at row i and column j 1.2.3 API tweaks regarding label-based slicing Label-based slicing using ix now requires that the index be sorted

reshape2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 21 API Reference 211 21.1 General functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7.2 and fixes many minor bugs and adds a number of nice new features. There are also a couple of API changes to note; these should not affect very many users, and we are inclined to call them “bug fixes” plot • Add kurt methods to Series and DataFrame for computing kurtosis 1.1.2 NA Boolean Comparison API Change Reverted some changes to how NA values (represented typically as NaN or None) are handled in

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.2.1.1 agg API for DataFrame/Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.2.1.2 dtype keyword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1.2.2 Backwards incompatible API changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1.2.2.1 Possible incompatibility Table always returns a DataFrame . . . . . . . . . . . . . . . . . . . . . . . 32 1.2.2.16 Other API Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 1.2.3 Reorganization

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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

development API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Other enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1.2.2 API changes dtype changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Other API Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.2.3 Deprecations changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 1.3.3 API changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53