newVal = (Double) m.invoke(null, params);
newVal = (Double) m.invoke(null, (Object[])params);
  public boolean input(Instance instance) throws Exception {    if (getInputFormat() == null) {      throw new IllegalStateException("No input instance format defined");    }    if (m_NewBatch) {      resetQueue();      m_NewBatch = false;    }    Method m = (Class.forName(m_Class)).getMethod(m_Method, new Class[] {Double.TYPE});    double []vals = new double[instance.numAttributes()];    Double []params = new Double[1];    Double newVal;    for(int i = 0; i < instance.numAttributes(); i++) {      if (instance.isMissing(i)) {	vals[i] = Instance.missingValue();      } else {	if (m_Cols.isInRange(i) &&	    instance.attribute(i).isNumeric()) {	  params[0] = new Double(instance.value(i));	  newVal = (Double) m.invoke(null, params);	  if (newVal.isNaN() || newVal.isInfinite()) {	    vals[i] = Instance.missingValue();	  } else {	    vals[i] = newVal.doubleValue(); 	  }	} else {	  vals[i] = instance.value(i);	}      }    }    Instance inst = null;    if (instance instanceof SparseInstance) {      inst = new SparseInstance(instance.weight(), vals);    } else {      inst = new Instance(instance.weight(), vals);    }    inst.setDataset(instance.dataset());    push(inst);    return true;  }