Lag

AIC

HQ

SC

FPE

1

−4.73E+01

−4.89E+01

−4.89E+01

6.69E−21

2

−Inf

−Inf

−Inf

0

3

−Inf

Inf

−Inf

0

4

−Inf

−Inf

−Inf

0

最佳滞后阶数

2

2

2

2