Chapter 1 Preliminaries What Is This Book About? Why Python for Data Analysis? Essential Python Libraries Installation and Setup Community and Conferences Navigating This Book Acknowledgements Chapter 2 Introductory Examples 1.usa.gov data from bit.ly MovieLens 1M Data Set US Baby Names 1880-2010 Conclusions and The Path Ahead Chapter 3 IPython: An Interactive Computing and Development Environment IPython Basics Using the Command History Interacting with the Operating System Software Development Tools IPython HTML Notebook Tips for Productive Code Development Using IPython Advanced IPython Features Credits Chapter 4 NumPy Basics: Arrays and Vectorized Computation The NumPy ndarray: A Multidimensional Array Object Universal Functions: Fast Element-wise Array Functions Data Processing Using Arrays File Input and Output with Arrays Linear Algebra Random Number Generation Example: Random Walks Chapter 5 Getting Started with pandas Introduction to pandas Data Structures Essential Functionality Summarizing and Computing Descriptive Statistics Handling Missing Data Hierarchical Indexing Other pandas Topics Chapter 6 Data Loading, Storage, and File Formats Reading and Writing Data in Text Format Binary Data Formats Interacting with HTML and Web APIs Interacting with Databases Chapter 7 Data Wrangling: Clean, Transform, Merge, Reshape Combining and Merging Data Sets Reshaping and Pivoting Data Transformation String Manipulation Example: USDA Food Database Chapter 8 Plotting and Visualization A Brief matplotlib API Primer Plotting Functions in pandas Plotting Maps: Visualizing Haiti Earthquake Crisis Data Python Visualization Tool Ecosystem Chapter 9 Data Aggregation and Group Operations GroupBy Mechanics Data Aggregation Group-wise Operations and Transformations Pivot Tables and Cross-Tabulation Example: 2012 Federal Election Commission Database Chapter 10 Time Series Date and Time Data Types and Tools Time Series Basics Date Ranges, Frequencies, and Shifting Time Zone Handling Periods and Period Arithmetic Resampling and Frequency Conversion Time Series Plotting Moving Window Functions Performance and Memory Usage Notes Chapter 11 Financial and Economic Data Applications Data Munging Topics Group Transforms and Analysis More Example Applications Chapter 12 Advanced NumPy ndarray Object Internals Advanced Array Manipulation Broadcasting Advanced ufunc Usage Structured and Record Arrays More About Sorting NumPy Matrix Class Advanced Array Input and Output Performance Tips Appendix Python Language Essentials The Python Interpreter The Basics Data Structures and Sequences Functions Files and the operating system