private int clusterProcessedInstance(Instance instance, Instances centers)
protected int clusterProcessedInstance(Instance instance, Instances centers)
  private int clusterProcessedInstance(Instance instance, Instances centers)throws Exception{        double minDist = Integer.MAX_VALUE;    int bestCluster = 0;    for (int i = 0; i < centers.numInstances(); i++) {      double dist = m_DistanceF.distance(instance, centers.instance(i));      if (dist < minDist) {	minDist = dist;     	bestCluster = i;          }                         };                             return bestCluster;  }