Table 7 Performance comparison of different methods on Dataset 1 for estimating 40% of BSFC data.

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

Method

RMSE

NMSE

MAE

MAPE

R2

KNN

19.95

0.0119

13.76

0.070

− 0.26

IDW

25.97

0.0226

20.89

0.111

− 1.37

OK

20.34

0.0121

15.96

0.083

− 0.31

MLP

17.24

0.0114

14.20

0.076

− 0.02

RF

10.93

0.0037

7.60

0.039

0.63

Proposed RF

9.54

0.0028

6.55

0.033

0.73