Options: -M 4.0 

M5 pruned model tree:
(using smoothed linear models)
LM1 (205/82.973%)

LM num: 1
bug = 
	0.0348 * cbo 
	+ 0.3859 * cbm 
	+ 0.162 * max_cc 
	+ 1.3983

Number of Rules : 1

Time taken to build model: 0.29 seconds
Time taken to test model on training data: 0.01 seconds

=== Error on training data ===

Correlation coefficient                  0.5582
Mean absolute error                      0.9074
Root mean squared error                  1.2593
Relative absolute error                 86.4999 %
Root relative squared error             82.9731 %
Total Number of Instances              205     



=== Cross-validation ===

Correlation coefficient                  0.4629
Mean absolute error                      0.9711
Root mean squared error                  1.3572
Relative absolute error                 92.1907 %
Root relative squared error             89.2052 %
Total Number of Instances              205