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International Scholarly Research Notices
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International Scholarly Research Notices
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2013
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Article
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Tab 4
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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 4
Logarithmic model validation.
CC
RMSE
MBE
January
0.741
0.079
0.792
0.077
0.0235
February
0.795
0.314
0.693
0.102
0.0536
March
0.734
0.079
0.651
0.151
0.0566
April
0.792
0.218
0.917
0.061
0.0369
May
0.757
0.121
0.825
0.067
0.0338
June
0.734
0.112
0.862
0.061
0.0294
July
0.735
0.164
0.816
0.058
0.0393
August
0.743
0.176
0.805
0.048
0.0321
September
0.714
0.097
0.613
0.091
0.0281
October
0.708
0.121
0.864
0.065
0.0330
November
0.724
0.09
0.487
0.088
0.0259
December
0.749
0.176
0.886
0.088
0.0465