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R Programming By Example

R Programming By Example

By : Trejo Navarro, Omar Trejo Navarro
3 (4)
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R Programming By Example

R Programming By Example

3 (4)
By: Trejo Navarro, Omar Trejo Navarro

Overview of this book

R is a high-level statistical language and is widely used among statisticians and data miners to develop analytical applications. Often, data analysis people with great analytical skills lack solid programming knowledge and are unfamiliar with the correct ways to use R. Based on the version 3.4, this book will help you develop strong fundamentals when working with R by taking you through a series of full representative examples, giving you a holistic view of R. We begin with the basic installation and configuration of the R environment. As you progress through the exercises, you'll become thoroughly acquainted with R's features and its packages. With this book, you will learn about the basic concepts of R programming, work efficiently with graphs, create publication-ready and interactive 3D graphs, and gain a better understanding of the data at hand. The detailed step-by-step instructions will enable you to get a clean set of data, produce good visualizations, and create reports for the results. It also teaches you various methods to perform code profiling and performance enhancement with good programming practices, delegation, and parallelization. By the end of this book, you will know how to efficiently work with data, create quality visualizations and reports, and develop code that is modular, expressive, and maintainable.
Table of Contents (12 chapters)
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Literate programming as a content creation methodology

Automation requires us to put different pieces together in such a way that the process is clear for both humans and machines. The process must be reproducible and capable of evolving as new ideas come to us or requirements change. Automating content creation can be achieved with literate programming, which comes from Donald Knuth's Literate Programming, 1992 (http://www-cs-faculty.stanford.edu/~knuth/lp.html). The basic idea is that a document is viewed as a combination of text and code. Code is divided into chunks with text surrounding the code chunks explaining what is going on. Text adapts as necessary to keep the ideas behind the code updated, clear, and accurate.

In this chapter, we use the words presentation and document interchangeably as you can create both of them with the tools we will show.

Literate programming...

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