KPSS test for lntax
Maxlag = 7 chosen by Schwert criterion
Autocovariances weighted by Bartlett kernel
Critical values for H0: lntax is trend stationary
10%: 0.119 5% : 0.146 2.5%: 0.176 1% : 0.216
Lag order Test statistic
0 .328
1 .201
2 .159
3 .145
4 .143
5 .152
6 .169
7 .196
求教不是所有滞后阶数都能通过检验怎么办