Learning R for Data Visualization – Packt Publishing

Learning R for Data Visualization

Get to grips with R’s most popular packages and functions to create interactive visualizations for the web

About This Video

Learn how to visualize data and import/export in CSV, TXT, and Excel formats
Develop a professionally-featured website using the best R has to offer
Focus on demonstrating customized visualization on your website

In Detail

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.

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Course Curriculum

Introducing Scientific Plotting in R

The Course Overview (5:32)
Preview of R Plotting Functionalities (3:15)
Loading Tables and CSV Files (4:41)
Introducing the Dataset (3:21)
Loading Excel Files (3:33)
Exporting Data (4:18)

Scientific Plotting in ggplot2

Creating Histograms (5:01)
The Importance of Box Plots (3:44)
Plotting Bar Charts (2:43)
Plotting Multiple Variables – Scatterplots (3:06)
Dealing with Time – Time-series Plots (2:38)
Handling Uncertainty (4:15)

Customizing Plots

Changing Theme (3:07)
Changing Colors (3:19)
Modifying Axis and Labels (2:40)
Adding Supplementary Elements (4:08)
Adding Text Inside and Outside of the Plot (5:02)
Multi-plots (3:59)

Exporting Plots

Exporting Plots as Images (3:24)
Adjusting the Page Size (2:32)t

Interactive Plots in rCharts

Getting Started with Interactive Plotting (2:44)
Creating Interactive Histograms and Box Plots (4:55)
Plotting Interactive Bar Charts (3:12)
Creating Interactive Scatterplots (2:58)
Developing Interactive Time-series Plots (3:47)

Creating a Website with Shiny

Getting Started with Shiny (4:09)
Creating a Simple Website (4:52)
File Input (3:09)
Conditional Panels – UI (3:44)
Conditional Panels – Servers (5:31)
Deploying the Site (5:37)

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