private Instances residualReplace(Instances data, Classifier c) {
private Instances residualReplace(Instances data, Classifier c, boolean useShrinkage) throws Exception {
  private Instances residualReplace(Instances data, Classifier c) {    double pred,residual;    Instances newInst = new Instances(data);    for (int i = 0; i < newInst.numInstances(); i++) {      try {	pred = c.classifyInstance(newInst.instance(i)) * getShrinkage();	residual = newInst.instance(i).classValue() - pred;	//	System.err.println("Residual : "+residual);	newInst.instance(i).setClassValue(residual);      } catch (Exception ex) {	// continue      }    }    //    System.err.print(newInst);    return newInst;  }