International Scholarly Research Notices / 2013 / Article / Tab 3 / 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 3 Quadratic model validation.
CC RMSE MBE January 0.337 0.618 −0.159 0.896 0.035 −0.00028 February 0.335 0.408 0.08 0.715 0.066 −0.00047 March 0.469 0.361 −0.037 0.917 0.026 −0.000056 April 0.372 0.574 −0.143 0.935 0.02 −0.00058 May 0.443 0.444 −0.104 0.903 0.027 −0.00067 June 0.411 0.497 −0.15 0.956 0.018 0.00043 July 0.46 0.282 0.02 0.853 0.025 −0.00016 August 0.278 0.937 −0.497 0.833 0.022 0.00014 September 0.367 0.452 −0.046 0.79 0.053 0.00023 October 0.375 0.479 −0.114 0.94 0.022 −0.00033 November 0.466 0.198 0.118 0.623 0.063 0.00049 December 0.277 0.956 −0.504 0.894 0.039 0.00057
