Henning Bumann & Malte Grosser 
Advanced R Solutions [PDF ebook] 

This book offers solutions to all 284 exercises in Advanced R, Second Edition . All the solutions have been carefully documented and made to be as clear and accessible as possible. Working through the exercises and their solutions will give you a deeper understanding of a variety of programming challenges, many of which are relevant to everyday work. This will expand your set of tools on a technical and conceptual level. You will be able to transfer many of the specific programming schemes directly and will discover far more elegant solutions to everyday problems.

Features:

• When R creates copies, and how it affects memory usage and code performance
• Everything you could ever want to know about functions
• The differences between calling and exiting handlers
• How to employ functional programming to solve modular tasks
• The motivation, mechanics, usage, and limitations of R»s highly pragmatic S3 OO system
• The R6 OO system, which is more like OO programming in other languages
• The rules that R uses to parse and evaluate expressions
• How to use metaprogramming to generate HTML or La Te X with elegant R code
• How to identify and resolve performance bottlenecks