R 4 Quick Syntax Reference: A Pocket Guide to the Language, API's and Library

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

M. TollefsonR 4 Quick Syntax Referencehttps://doi.org/10.1007/978-1-4842-7924-3_12

12. Flow Control

Margot Tollefson¹  

(1)

Vanward Statistics, PO Box 286, 612 Teneyck Avenue, Stratford, IA, 50249-0286, USA

 

Flow control statements are used to repeat a series of tasks a number of times or to direct flow based on a logical object. For persons who came into programming in the age of FORTRAN and BASIC, using loops is very comfortable. (In looping, either an index is used to apply a group of expressions to each element of an object or a group of expressions is repeated until a condition is met.) In R, the better choice, if possible, is to select multiple indices ...