Python distribution for data analytics and scientific computing. After running the installer, the user will have access to pandas and the rest of the SciPy stack without needing to install anything else using the pip or conda methods described above. 2.2.6 Installing from source See the contributing guide for complete instructions on building from the git source tree. Further, see creating a development Automatic and explicit data alignment: objects can be explicitly aligned to a set of labels, or the user can simply ignore the labels and let Series, DataFrame, etc. automatically align the data for you

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 2 User Guide 149 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . statements with pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 973 2.26.3 Mutating with User Defined Function (UDF) methods . . . . . . . . . . . . . . . . . . . . . 975 2.26.4 NaN, Integer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2734 4.5 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2734 4.5.1 Patterns

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 2 User Guide 149 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . statements with pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 972 2.26.3 Mutating with User Defined Function (UDF) methods . . . . . . . . . . . . . . . . . . . . . 974 2.26.4 NaN, Integer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2734 4.5 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2734 4.5.1 Patterns

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 2 User Guide 113 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460 4.2 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460 4.2.1 Patterns the Python programming language. To the getting started guides To the user guide To the reference guide To the development guide CONTENTS 1 pandas: powerful Python data analysis toolkit, Release 1

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 2 User Guide 113 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460 4.2 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460 4.2.1 Patterns the Python programming language. To the getting started guides To the user guide To the reference guide To the development guide CONTENTS 1 pandas: powerful Python data analysis toolkit, Release 1

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 2 User Guide 149 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . statements with pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 981 2.26.3 Mutating with User Defined Function (UDF) methods . . . . . . . . . . . . . . . . . . . . . 983 2.26.4 NaN, Integer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2827 4.5 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2827 4.5.1 Patterns

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 2 User Guide 149 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . statements with pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 981 2.26.3 Mutating with User Defined Function (UDF) methods . . . . . . . . . . . . . . . . . . . . . 983 2.26.4 NaN, Integer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2829 4.5 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2829 4.5.1 Patterns

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 2 User Guide 145 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . statements with pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 932 2.26.3 Mutating with User Defined Function (UDF) methods . . . . . . . . . . . . . . . . . . . . . 934 2.26.4 NaN, Integer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2655 4.5 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2655 4.5.1 Patterns

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 2 User Guide 113 2.1 10 minutes to pandas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2505 4.2 pandas code style guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2505 4.2.1 Patterns the Python programming language. To the getting started guides To the user guide To the reference guide To the development guide CONTENTS 1 pandas: powerful Python data analysis toolkit, Release 1

Community tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 2 User Guide 151 2.1 How to read these guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . guides User guide The user guide provides in-depth information on the key concepts of pandas with useful background information and explanation. To the user guide API reference The reference guide contains key concepts. To the reference guide Developer guide Saw a typo in the documentation? Want to improve existing functionalities? The contributing guidelines will guide you through the process of improving