Research Article

Improved Pre-miRNA Classification by Reducing the Effect of Class Imbalance

Table 7

The classification results of MiRNAClassify and three classification models over the merged datasets.

Classification modelsSE (%)SP (%) (%)

Human
SVM69.1899.8383.11
SVM + SMOTE92.2595.7093.96
Naive Bayes87.4396.1291.67
Naive Bayes + SMOTE90.2494.4392.31
Random Forest67.7899.8282.26
Random Forest + SMOTE91.5195.3493.41
MiRNAClassify97.9398.3098.11

Animal
SVM69.0398.1482.31
SVM + SMOTE91.6194.8593.21
Naive Bayes85.0495.0389.90
Naive Bayes + SMOTE90.8392.6191.71
Random Forest69.5298.7282.84
Random Forest + SMOTE91.1295.0193.05
MiRNAClassify95.8597.6296.73

Plant
SVM68.5199.2482.45
SVM + SMOTE89.5093.1091.28
Naive Bayes82.9196.7589.57
Naive Bayes + SMOTE87.2092.6189.86
Random Forest68.3299.3582.39
Random Forest + SMOTE89.1892.8791.01
MiRNAClassify93.3797.9195.61