Towards Enhancement of Performance of K-Means Clustering Using Nature-Inspired Optimization Algorithms

Table 10

Testing objective function fitness and CPU time consumption on Haberman.

Objective function value
	Best	Worst	Average
K-means	30507.0207	31321.2134	30912.2141
C-ACO	2888.483	3051.141	2933.164
C-Firefly	30507.2735	31567.7231	30822.3426
C-Cuckoo	30507.0207	30574.2412	30591.1234
C-Bat	30507.8928	31455.1241	30712.8321
CPU time (second)
	Best	Worst	Average
K-means	170.0535	174.123152	172.743
C-ACO	825.2858	856.3724	831.223
C-Firefly	1257.6772	1289.3124	1266.4123
C-Cuckoo	25.1611	26.2312	25.4431
C-Bat	14.559	14.908	14.672