MCCCA                   apply MCCCA for dataset.
create.MCCCAdata        this function creates a list (class: mcccadata)
                        to be applied to MCCCA.
create.prop             Creates a list length J of category proportion
                        for each cluster.
generate.cate.list      Generate (NxJ) categorical data matrix.
generate.catecls        Generate (NxJ) clustered categorical data
                        matrix.
generate.ext            generates an artificial (NxH) external variable
                        matrix.
generate.onedata        Generate (NxJ) categorical data matrix.
plot.mccca              plot 'mccca' object.
