@Override public double[] clusterPriors(){
  double[] n=new double[m_priors.length];
  System.arraycopy(m_priors,0,n,0,n.length);
  return n;
}

@ Override public double [ ] clusterPriors ( ) { double [ ] n = new double [ m_priors . length ] ; System . arraycopy ( m_priors , 0 , n , 0 , n . length ) ; return n ; }
returns the cluster priors .
