données simulées

[valse.git] / R / generateIO.R

diff --git a/R/generateIO.R b/R/generateIO.R
index 0e776d0..4527f08 100644 (file)
--- a/R/generateIO.R
+++ b/R/generateIO.R
@@ -16,16 +16,18 @@ generateIO = function(covX, covY, pi, beta, n)
   k = dim(covY)[3]
   
   Y = matrix(0,n,m)
-  BX = array(0, dim=c(n,m,k))
+  require(mvtnorm)
+  X = rmvnorm(n, mean = rep(0,p), sigma = covX)
   
   require(MASS) #simulate from a multivariate normal distribution
   for (i in 1:n)
   {
+    
     for (r in 1:k)
     {
       BXir = rep(0,m)
       for (mm in 1:m)
-        Bxir[[mm]] = X[i,] %*% beta[,mm,r]
+        BXir[mm] = X[i,] %*% beta[,mm,r]
       Y[i,] = Y[i,] + pi[r] * mvrnorm(1,BXir, covY[,,r])
     }
   }