Nothing
find_coords <-
function(wgts,nns,N,n,m)
{
W <- wgts
M <- t(diag(1,N)-W)%*%(diag(1,N)-W)
#calculate the eigenvalues and -vectors of M
e <- eigen(M)
#choose the eigenvectors belonging to the
#m smallest not-null eigenvalues
#and re-scale data
Y <- e$vectors[,c((N-m):(N-1))]*sqrt(N)
return(Y)
}
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