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. 2021 Feb 25;21:73. doi: 10.1186/s12911-021-01436-7

Table 12.

Wilcoxon signed-rank test: classifiers with feature subset versus Classifiers with 13 features on Cleveland dataset

RF LR SVM ELM KNN Ensemble
E
   Z-value1 − 2.803 − 2.803 − 2.803 − 2.803 − 2.803 − 2.803
   p value2 0.002 0.002 0.002 0.002 0.002 0.002
Precision
   Z-value − 2.599 − 2.701 − 2.497 − 2.293 − 2.803 − 2.803
   p value 0.006 0.004 0.010 0.020 0.002 0.002
Recall
   Z-value − 1.988 − 2.701 − 2.293 − 1.674 − 1.988 − 2.803
   p value 0.049 0.004 0.020 0.132 0.049 0.002
G-mean
   Z-value − 2.497 − 2.701 − 2.497 − 2.293 − 1.784 − 2.803
   p value 0.010 0.004 0.010 0.020 0.084 0.002
MC
   Z-value − 2.293 − 2.701 − 2.497 − 1.784 − 2.599 − 2.803
   p value 0.020 0.004 0.010 0.084 0.006 0.002
Specificity
   Z-value − 2.803 − 2.803 − 2.802 − 2.702 − 2.701 − 2.803
   p value 0.002 0.002 0.002 0.004 0.004 0.002
AUC
   Z-value − 2.701 − 2.701 − 2.803 − 2.090 − 2.803 − 2.803
   p value 0.004 0.004 0.002 0.037 0.002 0.002

1 The value of Wilcoxon statistics after standardization

2 p<0.05, p<0.01