修波 发表于 2018-1-21 01:04 
. xtpedroni y x1 x2, full notest
. xtpedroni y x1 x2 x3 x4, nopdols trend lagselect(hqic) ...
. xtpedroni,lny lnx
varlist required
r(100);
. xtpedroni lny,lnx b(1) lags(2)
option lnx not allowed
r(198);
. xtpedroni lny lnx, full notest
unknown egen function mean()
r(133);
. xtpedroni lny lnx
unknown egen function mean()
r(133);
. xtpedroni lny lnx, notdum b(1) lags(4)
unknown egen function mean()
r(133);
求帮助 感谢