该如何判断最佳滞后阶数,我1213141516171819一直选上来,AIC,SC
该怎么办,太大了就不稳定了大概时还15稳定
12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | |
AIC | -17.3808 | -17.38556 | -17.5186 | -17.17183 | -17.66612 | -18.80906 | -20.55247 | -22.87791 |
SC | -16.49414 | -16.1059 | -15.83792 | -15.08199 | -15.15888 | -15.87612 | -17.18549 | -19.06861 |