The correct classified data from E1-U consisted of 2145
instances classified as active and 44 instances classified as drop
out. Based on the correct classified data in the NBTree in Fig.
3, the meaningful rules generated from the tree are shown in
Table IV.
Table IV indicates that Gender attribute was the most
affective attribute in determining active students at university
level. Generally, Male students have better performance than
Female. But Female students in faculty T and came from
Bandung have better performance than Male. So also the
students in Faculty T, came from outside Bandung, and have
good GPA or excellent GPA.