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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Here is a more complete example. Note that I want to output text strings for debugging purposes as the code for treatAsVector = true is never executed.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Barth</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Courier New"'>NumericVector getValidCount(Rcpp::NumericMatrix m, <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> bool treatAsVector) {<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Rcpp::Rcout << "getValidCount BEGINS" << std::endl;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> int N = m.cols();<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> NumericVector u, vec;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> NumericVector count (N); <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> if(!treatAsVector) {<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Rcpp::Rcout << "Treating as matrix" << std::endl;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> for(int i = 0; i < N; i++) {<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> vec = m(_,i);<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> vec = vec[!Rcpp::is_na(vec)];<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> u = Rcpp::unique(vec);<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> count[i] = u.length();<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> } <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> } else {<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Rcpp::Rcout << "treating as vector" << std::endl;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> vec = as<NumericVector>(m);<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> vec = vec[!Rcpp::is_na(vec)];<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> u = Rcpp::unique(vec);<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> count.fill(u.length());<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> return count;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>}<o:p></o:p></span></p></div></body></html>