Table 4 Performance comparison of different methods on Dataset 2 for estimating 20% of BSFC data.

From: Random forest method for estimation of brake specific fuel consumption

Method

RMSE

NMSE

MAE

MAPE

R2

KNN

84.19

0.0799

47.54

0.124

0.23

IDW

159.67

0.4993

134.59

0.459

− 5.16

OK

92.46

0.095

68.47

0.209

0.10

MLP

44.09

0.0248

36.00

0.119

0.76

RF

57.68

0.0388

35.12

0.097

0.64

Proposed RF

34.38

0.0143

23.75

0.073

0.87