阶数

AIC

BIC

FPE

HQIC

0

25.847

25.891

1.68273E+11

25.752

1

20.126^*

20.257^*

579963558.931^*

19.842

2

20.263

20.482

837896937.3

19.79

3

20.245

20.551

1766806683

19.583^*