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Table 4

Comparison between BatNN trained with various α, based on HadCM3, ECHAM5 and HadGEM3-RA

αHadCM3
ECHAM5
HadGEM3-RA
rRMSEMAEErRMSEMAEErRMSEMAEE
0.86 2.40 2.20 0.78 0.89 2.00 1.79 0.80 0.84 2.64 1.91 0.70 
1 × 10−1 0.90 2.21 1.89 0.80 0.92 1.90 1.73 0.82 0.90 2.51 1.72 0.77 
1 × 10−2 0.94 1.98 1.60 0.83 0.94 1.83 1.62 0.85 0.94 2.14 1.61 0.79 
1 × 10−3 0.96 1.74 1.50 0.84 0.97 1.38 1.19 0.88 0.96 1.95 1.51 0.80 
1 × 10−4 0.96 1.94 1.59 0.83 0.96 1.47 1.23 0.86 0.96 2.07 1.59 0.80 
5 × 10−1 0.86 2.30 2.10 0.78 0.91 2.10 1.83 0.79 0.82 2.74 2.00 0.70 
5 × 10−2 0.94 2.02 1.73 0.82 0.92 1.89 1.64 0.83 0.86 2.55 1.65 0.76 
5 × 10−3 0.94 1.97 1.64 0.82 0.94 1.81 1.59 0.84 0.90 2.23 1.61 0.78 
5 × 10−4 0.95 1.95 1.60 0.84 0.95 1.59 1.33 0.86 0.95 2.00 1.59 0.80 
αHadCM3
ECHAM5
HadGEM3-RA
rRMSEMAEErRMSEMAEErRMSEMAEE
0.86 2.40 2.20 0.78 0.89 2.00 1.79 0.80 0.84 2.64 1.91 0.70 
1 × 10−1 0.90 2.21 1.89 0.80 0.92 1.90 1.73 0.82 0.90 2.51 1.72 0.77 
1 × 10−2 0.94 1.98 1.60 0.83 0.94 1.83 1.62 0.85 0.94 2.14 1.61 0.79 
1 × 10−3 0.96 1.74 1.50 0.84 0.97 1.38 1.19 0.88 0.96 1.95 1.51 0.80 
1 × 10−4 0.96 1.94 1.59 0.83 0.96 1.47 1.23 0.86 0.96 2.07 1.59 0.80 
5 × 10−1 0.86 2.30 2.10 0.78 0.91 2.10 1.83 0.79 0.82 2.74 2.00 0.70 
5 × 10−2 0.94 2.02 1.73 0.82 0.92 1.89 1.64 0.83 0.86 2.55 1.65 0.76 
5 × 10−3 0.94 1.97 1.64 0.82 0.94 1.81 1.59 0.84 0.90 2.23 1.61 0.78 
5 × 10−4 0.95 1.95 1.60 0.84 0.95 1.59 1.33 0.86 0.95 2.00 1.59 0.80 

Note: Bold numbers are optimal α values obtained.

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