Table 2.

Number of cases and percentage distribution of the classes for the subset of bellows-type data into which the initial dataset was subdivided.

Data Subset	Class	N	Percentage
Cross- Validation	Right	637	86.20
	Leak	102	13.80
Test	Right	151	81.62
	Leak	34	18.38
Total	Right	788	85.28
	Leak	136	14.72