R: cosmetics + start translation of (selmix.m into) main.R
[valse.git] / R / generateIO.R
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39046da6
BA
1generateIO = function(covX, covY, pi, beta, n)
2{
3 size_covX = dim(covX)
4 p = size_covX[1]
5 k = size_covX[3]
35b42a4b 6
39046da6
BA
7 size_covY = dim(covY)
8 m = size_covY[1]
9
10 Y = matrix(0,n,m)
11 BX = array(0, dim=c(n,m,k))
12
13 require(MASS) #simulate from a multivariate normal distribution
14 for (i in 1:n)
15 {
16 for (r in 1:k)
17 {
18 BXir = rep(0,m)
19 for (mm in 1:m)
20 Bxir[[mm]] = X[i,] %*% beta[,mm,r]
21 Y[i,] = Y[i,] + pi[r] * mvrnorm(1,BXir, covY[,,r])
22 }
23 }
24
25 return (list(X=X,Y=Y))
26}