search for: dimecres

Hola Estic fora de l?oficina des de Dimecres 1 d'Agost fins el proper Dilluns 12 d'Agost, Tan aviat sigui possible li contestar? el seu correu. En cas de ser un tema urgent, preguem reenvi? aquest mateix correu a l?adre?a d?email sst at salicru.com, els meus companys li donaran resposta el mes aviat possible, gr?cies. Hola Me enc...

Buena noche a todos, Nuevamente requiero de su ayuda con algo puntual: 1. Tengo en el vector Muestras: rm(list = ls()) set.seed(2085089)# Fija Datos data<-matrix(-1,30,ncol=10) > MuestraS [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 1 0 0 0 1 1 0 1 1 1 Ahora, dentro de un bucle for voy a generar muestras aleatorias, pero requiero que

One possibility might be to use Rcpp. An R matrix is stored in contiguous memory, which can be considered as a vector. Define a C++ function which operates on a vector in place, as in the following: library(Rcpp) cppFunction( 'void subtractConst(NumericVector x, double c) { for ( int i = 0; i < x.size(); ++i) x[i] = x[i] - c; }') Try this function out on a matrix. Here we

Dear listers, a few days ago I asked a question about a problem I had with a C function programmed by myself to be called from R. Thanks to your help, I have been able to look a bit further into it, so now I can be a bit more specific when telling what happens. The fact is that, when my C function finishes its execution (after calling it via the ".C" interface), R seems ok but