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What you will learn from this book Produce advanced analysis and graphics using R Implement Shiny's built-in widgets to rapidly build user interfaces Apply reactive programming techniques to handle user interactions with minimal coding Adapt and change your interfaces in response to user input to give your users an engaging and rewarding experience Integrate JavaScript and jQuery with Shiny to add different and exciting content and interactions to your Shiny applications Use HTML and CSS to style your Shiny applications and integrate them seamlessly with your own web content Serve your users better by allowing them to upload their own data and download the results quickly and simply Deploy Shiny applications over the Web using simple and free technologies In Detail R is a highly flexible and powerful tool for analysing and visualizing data. Shiny is the perfect companion to R, making it quick and simple to share analysis and graphics from R that users can interact with and query over the Web. Let Shiny do the hard work and spend your time generating content and styling, not writing code to handle user inputs. Web Application Development with R Using Shiny is an accessible introduction to sharing interactive content from R using Shiny. You will learn by doing, with each chapter including code and examples to use and adapt for your own applications. By the end of this book, you will be able to build useful and engaging web applications with only a few lines of code no JavaScript required. Web Application Development with R Using Shiny will show you how to begin analyzing, visualizing and sharing your data using practical examples. This book will teach you how to rapidly prototype and build interactive data summaries using Shiny's built-in widgets and functions. You will learn how to integrate Shiny applications with your existing HTML and CSS, how to greatly extend the power and usability of your applications using JavaScript and how to quickly deploy them over the Web. The book uses practical examples to show you how to get the best out of R and Shiny, helping you to produce and share cutting-edge analytics with minimal effort. Approach This book follows a standard tutorial-based approach which will teach you how to make a web app using R and Shiny quickly and easily. Who this book is for This book is for anybody who wants to produce interactive data summaries over the Web, whether you want to share them with a few colleagues or the whole world. You need no previous experience with R, Shiny, HTML, or CSS to begin using this book, although you will need at least a little previous experience with programming in a different language.