Options: -M 4.0 M5 pruned model tree: (using smoothed linear models) LM1 (858/88.504%) LM num: 1 bug = 0.0127 * noc + 0.0038 * rfc + 0.0215 * moa + 0.0159 * cbm + 0.0059 * max_cc - 0.0553 Number of Rules : 1 Time taken to build model: 0.48 seconds Time taken to test model on training data: 0.02 seconds === Error on training data === Correlation coefficient 0.4655 Mean absolute error 0.2031 Root mean squared error 0.4531 Relative absolute error 83.9658 % Root relative squared error 88.5037 % Total Number of Instances 858 === Cross-validation === Correlation coefficient 0.4147 Mean absolute error 0.2081 Root mean squared error 0.4664 Relative absolute error 85.9239 % Root relative squared error 90.9067 % Total Number of Instances 858