Options: -M 4.0 

M5 pruned model tree:
(using smoothed linear models)
LM1 (588/66.5%)

LM num: 1
bug = 
	0.0369 * cbo 
	+ 0.07 * rfc 
	+ 0.2658 * ce 
	+ 0.2579 * moa 
	+ 0.1418 * cbm 
	- 0.1289

Number of Rules : 1

Time taken to build model: 0.5 seconds
Time taken to test model on training data: 0.03 seconds

=== Error on training data ===

Correlation coefficient                  0.7468
Mean absolute error                      1.7945
Root mean squared error                  3.4713
Relative absolute error                 64.9501 %
Root relative squared error             66.5002 %
Total Number of Instances              588     



=== Cross-validation ===

Correlation coefficient                  0.6494
Mean absolute error                      1.9165
Root mean squared error                  4.0079
Relative absolute error                 69.3311 %
Root relative squared error             76.762  %
Total Number of Instances              588