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

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</svg></span></td><td align="center">CC</td><td align="center">RMSE</td><td align="center">MBE</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">January</td><td align="center">0.741</td><td align="center">0.079</td><td align="center">0.792</td><td align="center">0.077</td><td align="center">0.0235</td></tr><tr><td align="left">February</td><td align="center">0.795</td><td align="center">0.314</td><td align="center">0.693</td><td align="center">0.102</td><td align="center">0.0536</td></tr><tr><td align="left">March</td><td align="center">0.734</td><td align="center">0.079</td><td align="center">0.651</td><td align="center">0.151</td><td align="center">0.0566</td></tr><tr><td align="left">April</td><td align="center">0.792</td><td align="center">0.218</td><td align="center">0.917</td><td align="center">0.061</td><td align="center">0.0369</td></tr><tr><td align="left">May</td><td align="center">0.757</td><td align="center">0.121</td><td align="center">0.825</td><td align="center">0.067</td><td align="center">0.0338</td></tr><tr><td align="left">June</td><td align="center">0.734</td><td align="center">0.112</td><td align="center">0.862</td><td align="center">0.061</td><td align="center">0.0294</td></tr><tr><td align="left">July</td><td align="center">0.735</td><td align="center">0.164</td><td align="center">0.816</td><td align="center">0.058</td><td align="center">0.0393</td></tr><tr><td align="left">August</td><td align="center">0.743</td><td align="center">0.176</td><td align="center">0.805</td><td align="center">0.048</td><td align="center">0.0321</td></tr><tr><td align="left">September</td><td align="center">0.714</td><td align="center">0.097</td><td align="center">0.613</td><td align="center">0.091</td><td align="center">0.0281</td></tr><tr><td align="left">October</td><td align="center">0.708</td><td align="center">0.121</td><td align="center">0.864</td><td align="center">0.065</td><td align="center">0.0330</td></tr><tr><td align="left">November</td><td align="center">0.724</td><td align="center">0.09</td><td align="center">0.487</td><td align="center">0.088</td><td align="center">0.0259</td></tr><tr><td align="left">December</td><td align="center">0.749</td><td align="center">0.176</td><td align="center">0.886</td><td align="center">0.088</td><td align="center">0.0465</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Scholarly Research Notices

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Table 4

Table 4: 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 | 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 