Inside your function that has a ... argument, you can get the optional arguments with :
Arg.dot <- list(...) Section 2.1.5 of the R Language Definition which should be accessible from the help facility would appear to be sensible place to start. "Programming for Data Analysis" could also be purchased. -- David Sent from my iPhone On Aug 15, 2011, at 6:47 PM, Carl Witthoft <c...@witthoft.com> wrote: > I followed a couple threads from the archives and from stackoverflow.com, and > would like to know: just what is "..." ? What I mean by this is,for > example, from the point of view of a user running a function in debug mode, > is "..." an object, or does it exist in the current environment as some > thingy? > > Maybe a better question to ask is: if I were to write some function that > accepts "..." for its own personal use, how do I access the optional > arguments? Do I simply have to do a series of 'match' or 'pmatch' on the > output of list(...) , or is there a more direct way to get at the variables? > > If there is a R programmer's manual that discusses this, I'm happy to read > that, so just let me know. > > thanks > Carl > > -- > ----- > Sent from my Cray XK6 > > ______________________________________________ > 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. ______________________________________________ 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.
