Nothing
sim.Dvine <-function(DV,N=NULL) {
Dv <- list()
SSi <- list()
S <- 1:length(DV$S)
if(is.null(N)) N <- DV$N
x <- matrix(runif(N*length(S)),ncol=length(S))
base <- get("base",DV)
K <- DV$K
for ( i in 1:length(S))
{
vine.knot <- list(j1=S[i],j2=NULL,D=NULL,v=NULL, u = x[,i] )
SSi <- append(SSi, list(vine.knot))
}
Dv <- append(Dv,list(SSi))
level <- 1
SS <- Dv[[level]]
nSS <- length(SS)
while (nSS>1)
{
#print(level)
SSi <- list()
for (i in 2:nSS)
{
S1 <- c(SS[[i-1]]$j1, SS[[i-1]]$j2,SS[[i-1]]$D)
S2 <- c(SS[[i]]$j1, SS[[i]]$j2,SS[[i]]$D)
index1 <- rep(TRUE,length(S1))
index2 <- rep(TRUE,length(S2))
S3 <- c()
for (j in 1:length(S1)) {
indexi <- S1[j]==S2
if (sum(indexi)>0)
{
S3 <- c(S3, S1[j])
index1[j] <- FALSE
index2[indexi] <- FALSE
}
}
if(!is.null(S3)) S3 <- sort(S3)
S1 <- S1[index1]
S2 <- S2[index2]
#vine.knot <- list(j1=S1,j2=S2,D=S3,v=NULL,u =NULL)
vine.knot <- list(j1=S1,j2=S2,D=S3,v=DV[[1]][[level+1]][[i-1]]$v,u=NULL)
#SSi <- list(SSi, list(knoti))
SSi <- append(SSi, list(vine.knot))
}
Dv <- append(Dv, list(SSi))
level <- level + 1
SS <- Dv[[level]]
nSS <- length(SS)
}
Index.basis.D <- matrix(NA,(K+1)^2,2)
Index.basis.D[,1] <- rep(seq(1,(K+1)),(K+1))
Index.basis.D[,2] <- sort(Index.basis.D[,1])
x.seq <- seq(0,1,length=N)
index.b <- matrix(seq(1,N))
for(j in 2:length(S)) {
#print(j)
j.seq <- seq(1,j)
l.seq <- seq(j,1)
for(l in 2:j) {
Dv[[j.seq[1]]][[l.seq[1]]]$u <- apply(index.b,1,help.func,j=j,l=l,Dv=Dv,x.seq=x.seq,l.seq=l.seq,j.seq=j.seq,K=K,N=N,Index.basis.D,base=base,q=2)
}
for(l in 2:j) {
Dv[[j.seq[l]]][[l.seq[l]]]$u <- as.vector(cond.cop(cbind(Dv[[j.seq[l-1]]][[l.seq[l]]]$u,Dv[[j.seq[l-1]]][[l.seq[l-1]]]$u),Dv[[j.seq[l]]][[l.seq[l]]]$v,K=K,diff="u2",Index.basis.D,base=base,q=2))
}
}
fit <- Dv[[1]][[1]]$u
for(i in 2:length(S)) fit <- cbind(fit,Dv[[1]][[i]]$u)
return(fit)
}
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