Duncan Murdoch wrote: > Another problem is that there are two different class systems in R: > sometimes calls S3 and S4 (because of the versions of S where they were > introduced). You were reading about S3.
There's three different class systems if you also include the R.oo add-on package[1]. Even perl, the language seemingly founded on the concept of TMTOWTDI[2], only has the one OOP system. Barry [1] http://www1.maths.lth.se/help/R/R.oo/ [2] There's More Than One Way To Do It ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
