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International Scholarly Research Notices
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International Scholarly Research Notices
/
2013
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Article
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Tab 5
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Research Article
A Comparative Study of Some Regression Models to Estimate the Global Solar Radiation on a Horizontal Surface from Sunshine Duration and Meteorological Parameters for Ghardaïa Site, Algeria
Table 5
Exponential model validation.
CC
RMSE
MBE
January
0.14
0.261
0.861
0.04
−0.00071
February
0.128
0.26
0.713
0.063
−0.00047
March
0.342
0.173
0.878
0.032
0.00003
April
0.295
0.195
0.901
0.025
−0.00026
May
0.321
0.181
0.868
0.032
−0.00077
June
0.295
0.183
0.916
0.024
−0.00040
July
0.335
0.163
0.846
0.025
0.00078
August
0.403
0.132
0.67
0.032
−0.00022
September
0.192
0.224
0.774
0.055
−0.00044
October
0.236
0.199
0.901
0.028
−0.0015
November
0.283
0.187
0.621
0.045
0.104
December
0.188
0.225
0.822
0.073
−0.0096