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
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