Simon, On 10 June 2013 at 20:22, Simon Zehnder wrote: | this is an interesting post. My assumption is, that as in the first approach I fear tou may be a couple of posts late. Please see http://thread.gmane.org/gmane.comp.lang.r.rcpp/5651 Thanks, Dirk -- Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com