Nothing
EMsimulation <-
function(eta,
alpha,
sigma,
samplesize,
expriments,
compact_flag=FALSE,
C0=5,
C1=2,
C2=9){
etasize <- dim(eta)[1]
alphasize <- dim(alpha)[1]
classsize <- dim(eta)[2]
eta_est <- array(0,c(expriments,etasize,classsize))
alpha_est <- array(0,c(expriments,alphasize,classsize))
sigma_est <- array(0,c(expriments))
Covmatrix_est <- array(0,c(expriments,2*alphasize+etasize+1,2*alphasize+etasize+1))
for(i in 1:expriments)
{
set.seed(i)
X <- matrix(c(matrix(1,samplesize),
rnorm(samplesize*(etasize-1))+1),samplesize,etasize)
Z <- matrix(c(matrix(1,samplesize),rbinom(prob=1/2,size=1,n=samplesize),
rnorm(samplesize*(alphasize-2))+1),samplesize,alphasize)
W <- Wgenerate(alpha=alpha,eta=eta,X=X,Z=Z,sigma=sigma)
set.seed(i)
eta_initial <- matrix((C1+0.001),etasize,classsize)
eta_initial[,classsize] <- 0
eta_initial[1,] <- 0
alpha_initial<- matrix(rnorm(alphasize*classsize),alphasize,classsize)
sigma_initial <- 1
EMtheta <- EMalgorithm(X=W$X,Z=W$Z,Y=W$Y,classsize=classsize,
etat=eta_initial,alphat=alpha_initial,sigmat=sigma_initial,
learning_rate=0.01,regular_parameter_eta=0.001,
max_iteration=1000,max_iteration_eta=10000,
compact_flag,C0,C1,C2)
eta_est[i,,] <- EMtheta$eta
alpha_est[i,,] <- EMtheta$alpha
sigma_est[i] <- EMtheta$sigma
}
return(list(eta=eta_est,alpha=alpha_est,sigma=sigma_est))
}
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