计量小白,用stata16,xtcointtest 指令做了协整性检验,kao检验可以做,但是不理想,想试试westerlund和pedroni检验,但是westerlund和pedroni检验在变量超过五个时候会出现错误代码3200,有没有哪位高手给我讲一下是为什么,谢谢了
xtcointtest pedroni y yearid lnEXTE lnrd lnl inv pgdp2
_hqrdp_la(): 3200 conformability error
_hqrdp(): - function returned error
_hqrd(): - function returned error
hqrd(): - function returned error
getresd(): - function returned error
<istmt>: - function returned error
r(3200);
. xtcointtest westerlund y lnEXTE lnrd lnl inv pgdp2
_hqrdp_la(): 3200 conformability error
_hqrdp(): - function returned error
_hqrd(): - function returned error
hqrd(): - function returned error
getresd(): - function returned error
<istmt>: - function returned error
r(3200);


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