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Research Article

Prediction of Global Solar Radiation in Abu Dhabi

Table 1

Regression models used in this paper.
Model (source)Regression model
Linear (Angstrom-Prescott [3, 4]) 𝐾 𝑇 = 𝑎 + 𝑏 𝑅 𝑆
Quadratic (Akinoglu and Ecevit [11]) 𝐾 𝑇 = 𝑎 + 𝑏 𝑅 𝑆 + 𝑐 𝑅 𝑆 2
Third order (Samuel [12]) 𝐾 𝑇 = 𝑎 + 𝑏 𝑅 𝑆 + 𝑐 𝑅 𝑆 2 + 𝑑 𝑅 𝑆 3
Logarithmic (Ampratwum and Dorvlo [13]) 𝐾 𝑇 = 𝑎 + 𝑏 l o g ( 𝑅 𝑆 )
Linear-logarithmic (Newland [14]) 𝐾 𝑇 = 𝑎 + 𝑏 𝑅 𝑆 + 𝑐 l o g ( 𝑅 𝑆 )
Exponential (Elagib and Monsell [15]) 𝐾 𝑇 = 𝑎 e (bR)S
Power (Coppolino [16]) 𝐾 𝑇 = 𝑒 a 𝑅 𝑆 b