The Scientific World Journal

Research Article

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

Table 11

Testing objective function fitness and CPU time consumption on Synthetic.
Objective function value
 BestWorstAverage
K-means
C-ACO43847.7265.4264.32347321.968
C-Firefly
C-Cuckoo
C-Bat
CPU time (second)
 BestWorstAverage
K-means1579.23111663.22341617.305490
C-ACO4354.93284725.45254556.2073
C-Firefly51092.5733651404.6632351232.55324
C-Cuckoo138.204069151.547294141.9006882
C-Bat77.804 80.89279.6327