On Tue, 06 Apr 2004 15:21:12 -0400, ivo welch <[EMAIL PROTECTED]> wrote :
>hi R wizards: I think it would be a good idea for me to use basic >argument checking (type, length) in function calls via an assert() like >function. How do people usually do this? Should I define my own >"assert()" function (or are there some predefined assertions)? If I >write my own assert, is it possible to print out the R internal call >stack? thanks. > >(?assert and google "assert R" and V+D index do not point me the right way.) The stopifnot() function does pretty much what assert() does in other languages. Duncan Murdoch ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
