Nothing
sim.data.multi <-
function(Z.list,N,K=1,Theta,Sigma,Psi=diag(rep(1,3)),Lambda=diag(rep(1,3)))
{
n<-matrix(NA,N,K)
for(i in 1:N)
{
for(j in 1:K)
{
n[i,j]<-length(Z.list[[i]][[j]])
}
}
if(K>1)
{
s.Psi<-svd(Psi)
Psi.root<-s.Psi$u%*%diag(sqrt(s.Psi$d))%*%t(s.Psi$v)
s.Lambda<-svd(Lambda)
Lambda.root<-s.Lambda$u%*%diag(sqrt(s.Lambda$d))%*%t(s.Lambda$v)
u<-matrix(rnorm(3*N),nrow=N)%*%Psi.root
alpha<-u[,1]
beta<-u[,2]
gamma<-u[,3]
A=B=C<-matrix(NA,N,K)
epsA=epsB=epsC<-matrix(NA,N,K)
for(i in 1:N)
{
eta<-matrix(rnorm(3*K),nrow=K)%*%Lambda.root
epsA[i,]<-eta[,1]
epsB[i,]<-eta[,2]
epsC[i,]<-eta[,3]
}
A<-Theta[1,1]+matrix(rep(alpha,K),nrow=N)+epsA
B<-Theta[2,2]+matrix(rep(beta,K),nrow=N)+epsB
C<-Theta[1,2]+matrix(rep(gamma,K),nrow=N)+epsC
dat<-list()
for(i in 1:N)
{
dat[[i]]<-list()
for(j in 1:K)
{
dat[[i]][[j]]<-sim.data.single(Z.list[[i]][[j]],Theta=matrix(c(A[i,j],0,C[i,j],B[i,j]),2,2),Sigma)
}
}
re<-list(data=dat,A=A,B=B,C=C,type="multilevel")
}else
{
s.Lambda<-svd(Lambda)
Lambda.root<-s.Lambda$u%*%diag(sqrt(s.Lambda$d))%*%t(s.Lambda$v)
eta<-matrix(rnorm(3*N),nrow=N)%*%Lambda.root
A<-Theta[1,1]+eta[,1]
B<-Theta[2,2]+eta[,2]
C<-Theta[1,2]+eta[,3]
dat<-list()
for(i in 1:N)
{
dat[[i]]<-sim.data.single(Z.list[[i]],Theta=matrix(c(A[i],0,C[i],B[i]),2,2),Sigma)
}
re<-list(data=dat,A=A,B=B,C=C,type="twolevel")
}
return(re)
}
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