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Table 3 RRS based combined analysis for emotion classification (random validation)

From: Classification of emotional states from electrocardiogram signals: a non-linear approach based on hurst

Classifier Neutral Happy Sad Fear Surprise Disgust Average
  (%) (%) (%) (%) (%) (%) (%)
Regression tree 59.60 58.00 69.12 69.13 67.78 61.07 64.12
Bayesian classifier 39.07 64.67 71.14 18.79 36.91 10.74 40.22
KNN (K = 11) 66.89 56.67 75.83 68.46 67.79 57.05 65.45
FKNN (K = 12 65.56 54.00 70.47 70.47 68.45 55.70 64.11