Geology Reference
In-Depth Information
Table 7.9 Comparison of some basic performance indices of different models employed in the study of daily evaporation modeling
Models
used
Training data (2,327 data points)
Validation data
S
2
(mm/
day)
2
RMSE * (mm/
day and %)
CORR
Slope
MBE
(mm/
day)
MAPE
(mm/day)
E
RMSE * (mm/
day and %)
CORR
Slope
MBE
(mm/
day)
MAPE
(mm/day)
E
S
d
(mm/
day)
2
ANN
(CG)
3.98
(30.03)
4.05
(30.19)
−
0.425
0.78
0.93
0.065
0.379
0.82
15.84
0.78
0.90
0.384
81.4
15.09
ANN
(LM)
2.98 (22.5)
3.08 (23.01)
0.514
−
0.89
0.97
0.0001
0.246
0.901
8.874
0.89
0.95
0.494
0. 891
8.96
ANN
(BFGS)
3.02
(22.78)
3.09
(23.4)
0.536
−
0.89
0.96
-0.00019
0.252
89.7
9.12
0.89
0.95
0.198
0.89
9.97
LLR
2.755
(20.78)
2.99
(22.8)
−
0.666
0.91
0.97
-0.00093
0.233
0.914
7.59
0.90
0.94
0.292
0.906
8.49
SVM
3.34
(25.19)
3.67
(25.4)
−
0.614
0.86
0.95
−
0.0549
0.301
0.874
11.15
0.86
0.94
0.348
0.87
11.78
NNARX
3.31
(25.15)
3.63
(25.3)
0.584
−
0.87
0.94
0.0085
0.296
0.877
10.98
0.86
0.91
0.312
0.86
11.72
−
ANFIS
2.96
(22.37)
3.17
(24.49)
−
0.289
0.89
0.98
0.181
0.250
0.90
8.76
0.89
0.96
0.287
0.89
8.84
NW
2.61
(19.75)
3.11
(24.95)
−
0.506
0.92
0.97
0.014
0.215
0.922
6.85
0.88
0.94
0.257
0.875
9.43
W-
ANFIS
2.76
(20.79)
3.01
(22.9)
0.641
−
0.91
0.96
−
0.0005
0.275
0.921
7.61
0.912
0.94
0.310
0.901
8.42
W-SVM
2.98
(22.49)
3.16
(24.45)
0.792
−
0.89
0.96
0.0104
0.270
0.899
8.89
0.88
0.94
0.287
0.892
9.65