EA 发帖数: 3965 | 1 Sales
Aug '08 1250
Sep '08 965
Oct '08 838
Nov '08 747
Dec '08 895
Jan '09 657
Feb '09 689
Mar '09 858
Apr '09 820
May '09 926
Jun '09 860
Jul '09 998
Aug '09 1262
Sep '09 ?
I am not very familar with Time series, can I just use moving average? how
to get Sep '09 forecast? | k***k 发帖数: 19 | 2 你要先测是用AR/MA,然后才能决定是什么model,还要确定是AR1/AR2/
MR1/MR2,或者ARMA model.用前面数据确定参数,然后预测最后一年的数据。 |
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