Quoting "Liaw, Andy" <[EMAIL PROTECTED]>: > I'm not sure if this is what you want, but simply add ... to the list of > arguments for fun1 and fun2 would eliminate the error. > > Andy >
That's it!! Thank you very much!! Best, Hans >> Dear all, >> >> I wrote some functions using the special argument '...'. OK, it works. >> >> But if I call such a function which also called such a >> function, then I get an error message about unused arguments. >> >> Here's an example: >> >> fun1 <- function(x,a=1) >> { >> print(paste("x=",x)) >> print(paste("a=",a)) >> } >> fun2 <- function(y,b=2) >> { >> print(paste("y=",y)) >> print(paste("b=",b)) >> } >> myfun <- function(c, ...) >> { >> print(paste("c=",c)) >> fun1(x=c,...) >> fun2(y=c,...) >> } >> >> This is OK. >> > myfun(c=3) >> [1] "c= 3" >> [1] "x= 3" >> [1] "a= 1" >> [1] "y= 3" >> [1] "b= 2" >> >> > myfun(c=3,a=4) >> [1] "c= 3" >> [1] "x= 3" >> [1] "a= 4" >> Error in fun2(y = c, ...) : unused argument(s) (a ...) >> >> I understand the error message because fun2 has no argument >> called 'a'. >> >> But how can I avoid this??? >> >> I want to use this in order to be able to call myfun() with >> all arguments to control myfun(),fun1(), and fun2(). >> >> Please help! >> >> Thanks, >> >> Hans >> ______________________________________________ R-help@stat.math.ethz.ch 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.