docs: public void centerInstances(Instances centers, int[] assignments, double pc)
        throws Exception {
  
      int[] centList = new int[centers.numInstances()];
      for (int i = 0; i < centers.numInstances(); i++)
        centList[i] = i;
  
      determineAssignments(m_Root, centers, centList, assignments, pc);
    }