Table 2. Decision tree generation algorithms.

Method Scale Depth Number of rules
C4.5 24 6 9
Rough Set 16 5 11
SDTC 42 4 7
ABCoDT 10 3 6
The proposed (φ(t) = 0.6) 8 3 5
The proposed (φ(t) = 0.8) 10 3 6