Applied User Data Collection and Analysis Using javascript and PHP is designed to provide the technical skills and competency to gather a wide range of user data from web applications in both active and passive methods. This is done by providing the reader with real-world examples of how a variety of different javascript- and PHP-based libraries can be used to gather data using custom feedback forms and embedded data gathering tools.Once data has been gathered, this book explores the process of working with numerical data, text analysis, visualization approaches, statistics, and rolling out developed applications to both data analysts and users alike.