// build a linear regression for the training data using the
// tested attributes
LinearRegression temp = new LinearRegression();
temp.buildClassifier(reducedInst);
double [] lmCoeffs = temp.coefficients();
double [] coeffs = new double [m_instances.numAttributes()];
for (int i = 0; i < lmCoeffs.length - 1; i++) {
if (indices[i] != m_classIndex) {
coeffs[indices[i]] = lmCoeffs[i];