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Advanced R
book

Advanced R

by Hadley Wickham
September 2015
Intermediate to advanced
476 pages
7h 43m
English
CRC Press
Content preview from Advanced R

20

R’s C interface

Reading R’s source code is an extremely powerful technique for improving your programming skills. However, many base R functions, and many functions in older packages, are written in C. It’s useful to be able to figure out how those functions work, so this chapter will introduce you to R’s C API. You’ll need some basic C knowledge, which you can get from a standard C text (e.g., The C Programming Language (http://amzn.com/0131101633?tag=devtools-20) by Kernigan and Ritchie), or from Chapter 19. You’ll need a little patience, but it is possible to read R’s C source code, and you will learn a lot doing it.

The contents of this chapter draw heavily from Section 5 (“System and foreign language interfaces”) of Writing R extensions ...

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ISBN: 9781466586963