[See in-line below] On 25-Feb-2012 ilai wrote: > On Sat, Feb 25, 2012 at 12:53 PM, Ted Harding <ted.hard...@wlandres.net> > wrote: > >> I have defined >> a function med3x3() such that, given vectors X,Y, >> med3x3(X,Y) returns a 3x3 table > ... >> But I'd like to simply be able to pick up, within the function, >> the names of the variables that were used as arguments in the >> function call. >> >> The only suggestion ...<snip>... uses a somewhat rebarbative parsing of the >> call stack. >> Is there a simpler way? > > Is this a rhetorical question ? what could be simpler than > deparse(substitute(y)) when setting up the colnames ? If it's not > working for you for some reason then post your function. Or am I > missing something with the definition of "simple" ?
Many thanks, yes it does work just as you suggest, as I now find out when I try your suggestion. But it was not a rhetorical question: I had been put off using that method by the discouraging reply in the R-help message I gave the link to, which proposed the stack-parsing method instead. Ted. > Or should I just use the 4-argument method? > > You could, but even more efficient (and better control): > > f <- function(x,y,rn=deparse(substitute(x)),cn=deparse(substitute(y))){ > cat(rn,'=',x,'\t',cn,'=',y,'\n') } >> f(5,7) > 5 = 5 7 = 7 >> g <- 5 ; gs <- 7 >> f(g,gs) > g = 5 gs = 7 >> f(g,gs,'g','gs2') > g = 5 gs2 = 7 > > HTH > Elai > > >> With thanks, >> Ted. >> >> ------------------------------------------------- >> E-Mail: (Ted Harding) <ted.hard...@wlandres.net> >> Date: 25-Feb-2012 _Time: 19:53:49 >> This message was sent by XFMail >> >> ______________________________________________ >> 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. ------------------------------------------------- E-Mail: (Ted Harding) <ted.hard...@wlandres.net> Date: 25-Feb-2012 Time: 21:06:17 This message was sent by XFMail ______________________________________________ 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.