DataSet minpH = m.getResult();
DblMatrix min = new DblMatrix((Double)minpH.getValueAt(0,1));
Max mx = new Max(this.outSet);
mx.addResponseVariable("pH");
mx.run();
DataSet maxpH = mx.getResult();
DblMatrix max = new DblMatrix((Double)maxpH.getValueAt(0,1));
// Get widest range based on lpreg's internal data and the current data.
//Yes, those two data sets may be different after some time!