输入命令如下:xsmle lnpat lnLpat border lnRDexp lnRDpep lnfadi,wmat(sw2) model(sdm) nolog noconstant durbin(lnfadi lnRDexp lnRDpep lnLpat)
est stor sdm2
xsmle lnpat lnLpat border lnRDexp lnRDpep lnfadi,wmat(sw2) model(sar) nolog noconstant
est stor sar2
xsmle lnpat lnLpat border lnRDexp lnRDpep lnfadi,emat(sw2) model(sem) nolog noconstant
est stor sem2
lrtest sdm2 sar2
到这里就报错了df(unrestricted) = df(restricted) = 8
r(498);
有什么解决办法嘛????
求解答!!!!