Re: [R] What is "args" in this function?

Unfortunately for you, this email list is about R (not C), and while the Posting Guide indicates that questions discussing how to interface with C belong in R-devel, that is not a forum for learning C. On the plus side, the data types and macros you are asking questions about are highly

[R] What is "args" in this function?

Hi again I need help *R-code* debug(model.matrix) model.matrix(~S) *model.matrix code* ans <- .External2(C_modelmatrix, t, data) #t =terms(object) , data="data frame of object" *modelframe C-code* SEXP modelframe(SEXP call, SEXP op, SEXP args, SEXP rho) { SEXP terms, data, names, variables,