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#Clustering example on the "Crabs" dataset :
#Here two models are fitted and different number of clusters
#are tested. The model and the number of clusters that
#maximize the BIC criterion are selected.
data(Crabs)
A <- Crabs[,-1]
cls <- Crabs[,1]
prms <- hddc(A,4)
res <- predict(prms,A,cls)
#selection of the number of clusters
prms <- hddc(A)
res<-predict(prms,A,cls)
#Now a PCA on the "Crabs" dataset is done on the two first
#principal axis.
#It is an illustration of the clustering process.
#The means of the clusters are represented by the points
#and the directions of each group is represented by a line.
#All the steps of the algorithm are shown.
#The algorithm, the initialization and the model can be chosen.
demo_hddc()
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