R 4 Quick Syntax Reference

A Pocket Guide to the Language, API's and Library

Margot Tollefson

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English

APress
16 March 2022

Probability & statistics; Mathematical & statistical software; Compilers; Programming & scripting languages: general; Computer science

This handy reference book detailing the intricacies of R covers version 4.x features, including numerous and significant changes to syntax, strings, reference counting, grid units, and more.

Starting with the basic structure of R, the book takes you on a journey through the terminology used in R and the syntax required to make R work. You will find looking up the correct form for an expression quick and easy. Some of the new material includes information on RStudio, S4 syntax, working with character strings, and an example using the Twitter API. With a copy of the R 4 Quick Syntax Reference in hand, you will find that you are able to use the multitude of functions available in R and are even able to write your own functions to explore and analyze data. What You Will Learn

Discover the modes and classes of R objects and how to use them

Use both packaged and user-created functions in R

Import/export data and create new data objects in R

Create descriptive functions and manipulate objects in R

Take advantage of flow control and conditional statements

Work with packages such as base, stats, and graphics

Who This Book Is For Those with programming experience, either new to R, or those with at least some exposure to R but who are new to the latest version.

By: Margot Tollefson
Imprint: APress
Country of Publication: United States
Edition: 3rd ed.
Dimensions: Height: 235mm, Width: 155mm,
Weight: 937g
ISBN: 9781484279236
ISBN 10: 1484279239
Pages: 596
Publication Date: 16 March 2022
Audience: Professional and scholarly , Undergraduate
Format: Paperback
Publisher's Status: Active

Part 1: R Basics.- 1. Downloading R and Setting Up a File System.- 2. The R Prompt.- 3. Assignments and Operators.- Part 2: Kinds of Objects.- 4. Modes of Objects.- 5. Classes of Objects.- Part 3: Functions.- 6. Packaged Functions.- 7. User Created Functions.- 8. How to Use a Function.- Part 4: I/O and Manipulating Objects.- 9. Importing/Creating Data.- 10. Exporting from R.- 11. Descriptive Functions and Manipulating Objects.- Part 5: Flow control.- 12. Flow Control.- 13. Examples of Flow Control.- 14. The Functions ifelse() and switch().- Part 6: Some Common Functions, Packages and Techniques.- 15. Some Common Functions.- 16. The Packages base, stats and graphics.- 17. The Tricks of the Trade.

Margot Tollefson is a self-employed consulting statistician residing in the tiny town of Stratford in the corn and soybean fields of north-central Iowa. She started using the S-Plus language in the early 1990s and was happy to switch to R about ten years ago. Margot enjoys writing her own functions in R - to do plots and simulations, as well as to implement custom modeling and use published statistical methods. She earned her graduate degrees in statistics from Iowa State University in Ames, Iowa.