Nothing
simulateData <- function(n = 100, p = 100, t = 30){
long = t
x = seq(0,1,length.out=long)
K = 4; L = 3
A = sin(4*pi*x)
B = 0.75-0.5*(x>0.7 & x<0.9)
C = dnorm(x,0.2,0.02); C = C / max(C)
D = sin(10*pi*x)
fun = rbind(A,B,C,D)
noise = 0.1 / 3
mu = array(noise,c(K,L,4))
mu[1,1,1] = 1-3*noise; mu[2,1,1] = 1-3*noise; mu[3,1,2] = 1-3*noise; mu[4,1,4] = 1-3*noise
mu[1,2,2] = 1-3*noise; mu[2,2,2] = 1-3*noise; mu[3,2,3] = 1-3*noise; mu[4,2,1] = 1-3*noise
mu[1,3,3] = 1-3*noise; mu[2,3,4] = 1-3*noise; mu[3,3,1] = 1-3*noise; mu[4,3,4] = 1-3*noise
Z = rep(1:K,n*c(0.2,0.4,0.1,0.3))
W = rep(1:L,p*c(0.4,0.3,0.3))
X = array(NA,c(n,p,long))
Y = matrix(NA,n,p)
for (k in 1:K){
for (l in 1:L){
nkl = sum(Z==k)*sum(W==l)
tkl = max.col(t(rmultinom(nkl,1,mu[k,l,])))
X[Z==k,W==l,] = array(fun[tkl,]+t(replicate(nkl,rnorm(long,0,0.3))),c(sum(Z==k),sum(W==l),long))
Y[Z==k,W==l] = matrix(tkl,nrow=sum(Z==k))
}
}
indx = sample(nrow(X)); indy = sample(ncol(X))
Z = Z[indx]; W = W[indy]
X = X[indx,indy,]; Yo = Y; Y = Y[indx,indy]
list(data=X,row_clust=Z,col_clust=W)
}
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