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This is likely to be too simple a question perhaps. How does one use specific functions from other packages when working with Rcpp? For that matter, is it possible to use R functions such as optim in Rcpp? Thanks in...

Is it possible to pass a user defined function written in R for use in rccparma. For example, is it possible to have a function SEXP myfunction(SEXP g, SEXP a) where g is a function object and a is...

Thanks. I did not understand this code # C++ source code to operate on function and vector cpp<- ' int n = as<int>(N); NumericVector numvec(xvec) ; Function f(fun) ; for( int i=0; i<n; i++){ numvec = f( numvec ) ; } return numvec...

Thanks. I did not understand this code # C++ source code to operate on function and vector cpp<- ' int n = as<int>(N); NumericVector numvec(xvec) ; Function f(fun) ; for( int i=0; i<n; i++){ numvec = f( numvec ) ; } return numvec...

Thanks Dirk. I was hoping for an example of the use of R functions in Rcpp and did take a look at your Journal of Statistical software paper but was hoping for more than is there on this issue. Maybe...