Table 1 Three date set in BP-ANN
No. | training set | validation set | ||
|---|---|---|---|---|
1 | P1(2004–01) | P13(2005–01) | P25(2006–01) | P37(2007–01) |
2 | P2(2004–02) | P14(2005–02) | P26(2006–02) | P38(2007–02) |
3 | P3(2004–03) | P15(2005–03) | P27(2006–03) | P39(2007–03) |
i | P(i) | P(i + 12) | P(i + 24) | P(i + 36) |
82 | P82(2010–10) | P94(2011–10) | P106(2012–10) | P118(2013–10) |
83 | P83(2010–11) | P95(2011–11) | P107(2012–11) | P119(2013–11) |
84 | P84(2010–12) | P96(2011–12) | P108(2012–12) | P120(2013–12) |
85 | P85(2011–01) | P97(2012–01) | P109(2013–01) | P121(2014–01) |
109 | P109(2013–01) | P121(2014–01) | P133(2015–01) | P145(2016–01) |
119 | P119(2013–11) | P131(2014–11) | P143(2015–11) | P155(2016–11) |
120 | P120(2013–12) | P132(2014–12) | P144(2015–12) | P156(2016–12) |
121 | P121(2014–01) | P133(2015–01) | P145(2016–01) | P157(2017–01) |
131 | P131(2014–11) | P143(2015–11) | P155(2016–11) | P167(2017–11) |
132 | P132(2014–12) | P144(2015–12) | P156(2016–12) |  |