Читать книгу The Big R-Book - Philippe J. S. De Brouwer - Страница 149

More than in any other programming language, functions play a prominent role in R. Part of the reason is the implementation of the dispatcher function based object model with the S3 objects—see Chapter 6 “The Implementation of OO” on page 117.

functions

The user is both able to use the built-in functions and/or define his own bespoke functions.