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Table 14 Comparison of the performance of Random Forest (RF) classifier having 10, 50 and 100 trees with different feature set considered at each split (1, 2, 4, 8, and 12) using sampling

From: Comparison of machine learning techniques to predict all-cause mortality using fitness data: the Henry ford exercIse testing (FIT) project

 

No. of tree =10

No. of tree =50

No. of tree =100

F = 1

F = 2

F = 4

F = 8

F = 12

F = 1

F = 2

F = 4

F = 8

F = 12

F = 1

F = 2

F = 4

F = 8

F = 12

Sensitivity

90.62%

91.01%

89.46%

87.40%

86.90%

96.07%

95.47%

94.67%

93.63%

93.14%

96.73%

95.97%

94.85%

93.95%

93.59%

Specificity

96.49%

96.56%

96.67%

96.79%

96.83%

96.84%

96.85%

97.06%

97.11%

97.15%

96.88%

96.88%

97.04%

97.19%

97.18%

Precision

72.78%

73.40%

74.28%

75.31%

75.67%

75.50%

75.57%

77.27%

77.73%

77.99%

75.74%

75.81%

77.08%

78.35%

78.28%

F-score

80.72%

81.26%

81.17%

80.90%

80.90%

84.55%

84.36%

85.09%

84.94%

84.90%

84.96%

84.71%

85.05%

85.44%

85.25%

AUC

80.72

81.26

81.17

80.90

80.90

0.97

0.97

0.97

0.97

0.97

0.97

0.97

0.97

0.97

0.97

RMSE

0.2

0.19

0.2

0.2

0.2

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18