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Learning R Programming

You're reading from   Learning R Programming Language, tools, and practical techniques

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Product type Paperback
Published in Oct 2016
Publisher Packt
ISBN-13 9781785889776
Length 582 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Kun Ren Kun Ren
Author Profile Icon Kun Ren
Kun Ren
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Table of Contents (16) Chapters Close

Preface 1. Quick Start FREE CHAPTER 2. Basic Objects 3. Managing Your Workspace 4. Basic Expressions 5. Working with Basic Objects 6. Working with Strings 7. Working with Data 8. Inside R 9. Metaprogramming 10. Object-Oriented Programming 11. Working with Databases 12. Data Manipulation 13. High-Performance Computing 14. Web Scraping 15. Boosting Productivity

Creating interactive apps

In the previous section, we demonstrated the use of R Markdown that is designed for creating dynamic documents. In this section, we will take a quick tour of creating interactive apps where we use a graphical user interface to interact with the data.

Creating a shiny app

R itself is a great environment for data analysis and visualization. However, it is not usual to deliver R and some analytic scripts to the customers to run by themselves. The outcome of data analysis can be presented not only in a HTML page, PDF document, or a Word document, but also in an interactive app that allows readers to interact with the data by modifying some parameters and see what happens with the outcome.

A powerful package, shiny (http://shiny.rstudio.com/), developed by RStudio, is designed exactly for this purpose. A shiny app is different from the interactive graphics we demonstrated previously. It works in a web browser and the developer has all the say about what appears in the...

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