time | volume |
200201 | 4487387 |
200202 | 4636017 |
200203 | 3886253 |
200204 | 3740883 |
200205 | 4254030 |
200206 | 3792758 |
200207 | 4068329 |
200208 | 4397453 |
200209 | 4650157 |
200210 | 4777869 |
200211 | 4151635 |
200212 | 4297646 |
200301 | 4640056 |
200302 | 4172716 |
200303 | 4055255 |
200304 | 3793732 |
200305 | 4396059 |
200306 | 4159307 |
200307 | 4695188 |
200308 | 4966636 |
200309 | 5077152 |
200310 | 5589592 |
200311 | 5079017 |
200312 | 5281733 |
200401 | 6004498 |
200402 | 5069120 |
200403 | 4822836 |
200404 | 4874786 |
200405 | 5898613 |
200406 | 4961167 |
200407 | 4782067 |
200408 | 5042892 |
200409 | 5280166 |
200410 | 6712719 |
200411 | 5698718 |
200412 | 5891143 |
200501 | 6903806 |
200502 | 6367398 |
200503 | 6033753 |
200504 | 5797632 |
200505 | 7515965 |
200506 | 6622230 |
200507 | 6793726 |
200508 | 7255075 |
200509 | 7212195 |
200510 | 9068514 |
200511 | 7530492 |
200512 | 8315007 |
200601 | 10418354 |
200602 | 8745606 |
200603 | 8718459 |
200604 | 8594101 |
200605 | 10856601 |
200606 | 8929362 |
200607 | 9399875 |
200608 | 10134558 |
200609 | 9868187 |
200610 | 12640370 |
200611 | 10106821 |
200612 | 10669675 |
200701 | 11545354 |
200702 | 12302974 |
200703 | 11284885 |
200704 | 9931538 |
200705 | 12659650 |
200706 | 11286870 |
200707 | 11896497 |
200708 | 12982266 |
200709 | 12892549 |
200710 | 15344624 |
200711 | 11971016 |
200712 | 13040496 |
200801 | 13753309 |
200802 | 13502189 |
200803 | 13451028 |
做图看出,这个序列是有趋势项+季节项的。如何预测200804的值呢?请教大家在SPSS如何做呢?谢谢