From: Estimation of solar radiation from cloud cover data of Bangladesh
Stations | Model | a | b | c | R 2 | MPE | MBE | MARE | RMSE | t-stat |
---|---|---|---|---|---|---|---|---|---|---|
Faridpur | Regional | 0.4923 | 0.1793 | 0.2518 | 0.9355 | −1.5308 | 0.0807 | 0.0412 | 0.3255 | 0.8489 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.9514 | 2.1836 | −0.1116 | 0.0375 | 0.2826 | 1.4264 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.9359 | 2.6308 | −0.1623 | 0.0384 | 0.3247 | 1.9139 | |
Dhaka | Regional | 0.7772 | −0.1561 | 0.2823 | 0.9585 | 0.1666 | 0.0000 | 0.0368 | 0.2820 | 0.0000 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.8751 | −5.0073 | 0.3470 | 0.0612 | 0.4894 | 3.3349 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.8672 | −4.8924 | 0.3180 | 0.0637 | 0.5046 | 2.6918 | |
Ishurdi | Regional | 0.6081 | 0.0356 | 0.2713 | 0.9126 | 0.3645 | −0.0338 | 0.0401 | 0.3831 | 0.2940 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.9190 | 1.0880 | −0.0549 | 0.0433 | 0.3688 | 0.4994 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.8837 | 1.5396 | −0.1044 | 0.0476 | 0.4420 | 0.8062 | |
Tangail | Regional | 0.5286 | 0.0904 | 0.3090 | 0.9152 | 1.4147 | −0.0402 | 0.0538 | 0.3871 | 0.3470 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.7352 | 10.5005 | −0.5564 | 0.1053 | 0.6845 | 4.6278 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.7047 | 10.9350 | −0.6054 | 0.1093 | 0.7227 | 5.0868 | |
Srimangal | Regional | 0.6081 | 0.0356 | 0.2713 | 0.7843 | 8.3236 | −0.4115 | 0.0931 | 0.6273 | 2.8828 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.7496 | 8.6157 | −0.4109 | 0.1012 | 0.6759 | 2.5393 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.7721 | 9.0217 | −0.4599 | 0.0965 | 0.6447 | 3.3764 | |
Rajshahi | Regional | 0.6081 | 0.0356 | 0.2713 | 0.9384 | 1.0918 | −0.0559 | 0.0408 | 0.3268 | 0.5761 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.9293 | 1.5105 | −0.0615 | 0.0435 | 0.3501 | 0.5920 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.9233 | 2.1406 | −0.1253 | 0.0420 | 0.3646 | 1.2136 | |
Mymenshingh | Regional | 0.4640 | 0.1468 | 0.2892 | 0.8973 | −1.5783 | 0.0525 | 0.0577 | 0.3751 | 0.4693 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.8450 | 5.1715 | −0.3305 | 0.0530 | 0.4608 | 3.4153 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.7744 | 5.4347 | −0.3680 | 0.0577 | 0.5559 | 2.9286 | |
Sylhet | Regional | 0.4726 | 0.1837 | 0.1811 | 0.9696 | 1.4943 | −0.0670 | 0.0428 | 0.2979 | 0.7662 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.8629 | −8.6237 | 0.5557 | 0.0929 | 0.6327 | 6.0960 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.8685 | −9.0145 | 0.5502 | 0.0918 | 0.6195 | 6.4128 | |
Bogra | Regional | 0.4225 | 0.3023 | 0.1872 | 0.9447 | 0.7061 | −0.0651 | 0.0400 | 0.3342 | 0.6587 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.9368 | −0.5272 | 0.0957 | 0.0428 | 0.3573 | 0.9225 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.9569 | −0.0382 | 0.0379 | 0.0384 | 0.2950 | 0.4306 | |
Dinajpur | Regional | 0.5734 | 0.0398 | 0.2962 | 0.8849 | 3.6956 | −0.2112 | 0.0578 | 0.4080 | 2.0072 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.7796 | 7.4499 | −0.4435 | 0.0778 | 0.5646 | 4.2089 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.7421 | 8.3670 | −0.5273 | 0.0836 | 0.6109 | 5.6691 | |
Syedpur | Regional | 0.6081 | 0.0356 | 0.2713 | 0.9194 | 2.5952 | −0.1678 | 0.0448 | 0.3230 | 2.0160 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.9168 | 3.0251 | −0.1768 | 0.0462 | 0.3282 | 2.1209 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.8961 | 3.5404 | −0.2300 | 0.0509 | 0.3666 | 2.6720 | |
Rangpur | Regional | 0.4192 | 0.1653 | 0.2615 | 0.7947 | 6.5107 | −0.3662 | 0.0771 | 0.5369 | 3.0928 |
Zone 2 | 0.5102 | 0.0911 | 0.2703 | 0.7938 | 6.6344 | −0.3794 | 0.0764 | 0.5380 | 3.2992 | |
Countrywide | 0.4548 | 0.1851 | 0.2385 | 0.7547 | 7.2168 | −0.4364 | 0.0772 | 0.5868 | 3.6901 |