Research Article

A Modified Horse Herd Optimization Algorithm and Its Application in the Program Source Code Clustering

Table 4

The average MQ values obtained by various methods and the standard deviation (STDV) among them.

ā€‰PSOPSO-GASCSOCOAHOA
MQSTDVMQSTDVMQSTDVMQSTDVMQSTDV

mtunis2.31400.00002.31400.00002.31400.10822.31400.00002.31400.0000
spdb4.77440.03304.61800.38705.00000.00004.78440.03144.81420.0168
ispell2.16900.01112.16600.06032.15200.04002.18000.01002.27900.0088
rcs2.11700.02312.09000.09102.12600.02152.13800.01292.14340.0204
bison2.36400.05002.33000.05462.39.50.08712.32130.04832.61690.0644
cia2.40260.06822.46390.02942.41060.06692.41080.06612.52200.0454
dot2.40090.03702.44610.15272.39490.06722.41580.08132.49940.0300
php3.42320.15073.51410.13913.47430.15133.40130.10993.87610.1790
grappa4.24980.25804.40010.20234.84310.18744.22840.31094.87210.2393
incle3.71510.13674.08120.20233.96900.18633.82880.13054.26150.1142
AVG2.99300.07673.04230.11533.10740.09153.00220.08013.21980.0718