Learning R for Data Visualization
Publisher: Packt Publishing
Final Release Date: April 2016
Run time: 1 hour 58 minutes

R is on the rise and showing itself as a powerful option in many software development domains. At its core, R is a statistical programming language that provides impressive tools for data mining and analysis, creating high-level graphics, and machine learning. R gives aspiring analysts and data scientists the ability to represent complex sets of data in an impressive way.

The course is structured in simple lessons so that the learning process feels like a step-by-step guide to plotting. We start by importing data in R from popular formats such as CSV and Excel tables. Then you will learn how to create basic plots such as histograms, scatterplots, and more, with the default options, which guarantees stunning results.

The second part of the course is dedicated to interactive plots. Static plots, in fact, are extremely important for scientific manuscripts, but nowadays most of our work is done online on websites and blogs, where static plots do not harness the full potential of the technology. Interactive plots, on the other hand, can improve that and allow us to present our results in more appealing and informative ways, by using the native language of the web. Do not worry though, you will not need to learn an additional programming language because this course will show you how to create stunning web plots directly from R.

In the final part of the course, the Shiny package will be extensively discussed. This allows you to create fully-featured web pages directly from the R console, and Shiny also allows it to be uploaded to a live website where your peers and colleagues can browse it and you can share your work. You will see how to build a complete website to import and plot data, plus we will present a method to upload it for everybody to use. Finally, you will revise all the concepts you've learned while having some fun creating a complete website.

By the end of the course, you will have an armour full of different visualization techniques, with the capacity to apply these abilities to real-world data sets.

Style and Approach

This course presents the theoretical and technical aspects necessary to master the art of scientific plotting in R in a colloquial manner. Unlike many other guides, this one is heavily practical, featuring bite-sized chunks of information as well detailed explanations and real results.

What You Will Learn

  • See how to plot a distribution with histograms and box-plot
  • Deepen your knowledge by adding bar-charts, scatterplots, and time series plots using ggplot2
  • Enhance the user experience using dynamic visualisation
  • Save your work for publication, in tiff, at a good resolution
  • Test your coding limits by creating stunning interactive plots for the web
  • Create a fully-featured website using Shiny with real-time features such as adding and controlling functionalities
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