想要使用双栏模型 需要下载  tobcm  clad  dhreg命令，但是都失败了。

net install tobcm.pkg,replace
飘红：file http://www.stata.com/stb/stb58/tobcm.pkg not found
could not load tobcm.pkg from http://www.stata.com/stb/stb58/


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1 package found (Stata Journal listed first)
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tobcm from http://www.stata.com/users/ddrukker
    tobcm.  Testing for normality after tobit estimation. / Program by David
    Drukker, StataCorp <ddrukker@stata.com>. / Updated statalist
    distribution, 05 November 2002. / tobcm implements a conditional moment
    test for testing the / null hypothesis that the disturbances in a tobit


链接点进去没有反应

防火墙都关了