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Web Application Development with R Using Shiny Second Edition

Web Application Development with R Using Shiny Second Edition

By : Chris Beeley
3.5 (10)
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Web Application Development with R Using Shiny Second Edition

Web Application Development with R Using Shiny Second Edition

3.5 (10)
By: Chris Beeley

Overview of this book

R is a highly flexible and powerful tool for analyzing and visualizing data. Most of the applications built using various libraries with R are desktop-based. But what if you want to go on the web? Here comes Shiny to your rescue! Shiny allows you to create interactive web applications using the excellent analytical and graphical capabilities of R. This book will guide you through basic data management and analysis with R through your first Shiny application, and then show you how to integrate Shiny applications with your own web pages. Finally, you will learn how to finely control the inputs and outputs of your application, along with using other packages to build state-of-the-art applications, including dashboards.
Table of Contents (9 chapters)
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8
Index

Exercise


If you haven't already been tempted, now is definitely a good time to have a go at building your own application with your own data. The next chapter covers advanced topics in Shiny and, though you are welcome to plough on, a little practical experience with the functions will stand you in good stead for the next chapter. If you're interested in sharing your creations right away, feel free to jump to Chapter 7, Sharing Your Creations.

How you go about building your first application will very much depend on your previous experience and what you want to achieve with Shiny, but as with everything in life, it is better to start simple. Start with the minimal example given in the previous chapter and put in some data that's relevant to you. Shiny applications can be hard to debug (compared with interactive R sessions, at least), so in your early forays, keep things very simple.

For example, instead of drawing a graph, start with a simple renderText() call and just print the first few...

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