黃河泉 发表于 2018-4-1 08:38 
结果为 (sysuse auto, clear)
您好,按照您的方法安装报错了,您知道怎么回事吗?错误显示如下:
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath
> .SunCertPathBuilderException: unable to find valid certification path to requested target
https://github.com/sergiocorreia/reghdfe/raw/master/src/ either
1) is not a valid URL, or
2) could not be contacted, or
3) is not a Stata download site (has no stata.toc file).
current site is still http://fmwww.bc.edu/repec/bocode/r/