Method Normalized values of the statistical indicators Normalized values of the statistical indicators Normalized values of the statistical indicators Normalized values of the statistical indicators Sum
Min O.F. Max O.F. Mean O.F. St. Dev.
WDO 0.9994 1 0.9995 1 3.9989
TLBO 1 0.9992 1 0.3959 3.3951
CS 0.9987 0.9955 0.9978 0.2526 3.2446
GSA 0.9998 0.9944 0.9989 0.1770 3.1701
MSA 0.9995 0.9956 0.9982 0.1725 3.1658
BSA 0.9978 0.9913 0.9954 0.1310 3.1155
ABC 0.9993 0.9894 0.9978 0.1180 3.1045
PSO 0.9991 0.9722 0.9918 0.0356 2.9987
FFA 0.9970 0.9569 0.9868 0.0234 2.9641
GWO 0.9961 0.9445 0.9731 0.0151 2.9288