Nothing
sim.cross<-function(n=NULL,seed=1,N=NULL,sig1=0.5,sig2=1.5)
{
d<-2
mixnum<-2
M<-matrix(0,mixnum,d)
M[1,]<-c(0,0)
M[2,]<-c(0,0)
sig<-matrix(1,mixnum,d)
sig[1,1]<-sig1
sig[1,2]<-sig2
sig[2,1]<-sig2
sig[2,2]<-sig1
p<-matrix(1,mixnum,1)
p<-p/sum(p)
if (!is.null(n)){
dendat<-simmix(n,M,sig,p,seed=seed)
theta<-pi/4
rotmat<-matrix(c(cos(theta),-sin(theta),sin(theta),cos(theta)),2,2)
dendat<-dendat%*%rotmat
return(dendat)
}
if (!is.null(N)){
theta<-pi/4
eg<-pcf.func("mixt",N,sig=sig,M=M,p=p,theta=theta)
return(eg)
}
if (is.null(N) && is.null(n)){
return(list(M=M,sig=sig,p=p,theta=theta))
}
}
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