left[i] = false;
left[j] = false;
  private int checkSplitInstances(boolean [] left,				  int [] instList,				  int splitDim, double splitValue) {      // length of left should be same as length of instList    int numLeft = 0;    for (int i = 0; i < instList.length; i++) {      // value <= splitValue      if (m_EuclideanDistance.valueIsSmallerEqual(	     m_Instances.instance(instList[i]), 	     splitDim,             splitValue)) {	left[i] = true;        numLeft++;      } else {	left[i] = false;      }    }    return numLeft;  }