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Table 16 Wilcoxon signed rank test for statistical analysis

From: Hybrid intelligence approach for multi-load level reactive power planning using VAR compensator in power transmission network

Test System Methods Min. value ($) Mean value ($) Max. value ($) Standard deviation p-value
Indian 62-bus PSO 3.801 × 107 3.9574 × 107 4.192 × 107 0.1080
DE 3.790 × 107 3.9348 × 107 4.121 × 107 0.1207
CSA 3.781 × 107 3.8628 × 107 3.990 × 107 0.0730
PSODE 3.779 × 107 3.8582 × 107 3.989 × 107 0.0795
PSOCSA 3.770 × 107 3.8290 × 107 3.971 × 107 0.0764  
DECSA 3.708 × 107 3.7507 × 107 3.907 × 107 0.0719 6.9824 × 10−7
Indian 191-bus PSO 4.759 × 107 4.7885 × 107 4.873 × 107 0.0203
DE 4.740 × 107 4.8142 × 107 4.934 × 107 0.0715
CSA 4.730 × 107 4.8004 × 107 4.930 × 107 0.0757
PSODE 4.719 × 107 4.7715 × 107 4.987 × 107 0.0630
PSOCSA 4.710 × 107 4.7576 × 107 4.880 × 107 0.0547
DECSA 4.673 × 107 4.6914 × 107 4.785 × 107 0.0302 1.0922 × 10−6