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Table 10 Temperature-with-precipitation-based models, their coefficients, and error test values

From: Global solar radiation estimation from commonly available meteorological data for Bangladesh

Model no.

Equations

a

b

c

d

\(R^{2}\)

MPE

MBE

RMSE

MARE

t stat

43

\(H/H_0 = a(\Delta T^{\mathrm{b}})(1+cP+d(P^2))\)

0.1388

0.5576

0.000655

−1.9E−06

0.9121

0.09509

0.004932

0.155113

0.031219

0.105515

44

\(H{/}H_0 = a + b \Delta T + cP\)

0.1976

0.03139

−0.000007117

–

0.8944

0.19521

0.006017

0.168413

0.036981

0.118561

45

\(H/H_0 = a(\Delta T^{\mathrm{b}})+c(P^d)\)

0.001275

2.244

0.2371

0.04886

0.9224

0.138848

−0.00579

0.156364

0.033018

0.122823