Chip Barnaby: > My question is: How does one learn the specifics? For the case at > hand, what are the specialized methods associated with class "by"?
The methods for the (S3) generic function 'by': $ methods(by) [1] by.data.frame by.default Functions for objects of class 'by': $ methods(class="by") [1] print.by Note that both of these may be extended by loading additional packages. -- Karl Ove Hufthammer ______________________________________________ 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.