Table 2 Average per year squared correlation coefficient (R2) obtained by GPR, RVR and ARMA forecasters
Forecaster | Squared correlation coefficient (R2) | ||||
|---|---|---|---|---|---|
Year 2007 | Year 2008 | Year 2009 | Year 2010 | Year 2011 | |
GPR | 0.282 | 0.227 | 0.201 | 0.255 | 0.381 |
RVR | 0.192 | 0.374 | 0.286 | 0.295 | 0.438 |
ARMA(2,2) | 0.444 | 0.533 | 0.185 | 0.320 | 0.120 |