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

Figure 6

Scatter diagram of quadratic model.
754956.fig.006a
(a)
754956.fig.006b
(b)
754956.fig.006c
(c)
754956.fig.006d
(d)
754956.fig.006e
(e)
754956.fig.006f
(f)
754956.fig.006g
(g)
754956.fig.006h
(h)
754956.fig.006i
(i)
754956.fig.006j
(j)
754956.fig.006k
(k)
754956.fig.006l
(l)