ln97888 发表于 2018-11-28 08:51 
应该是这个,供你参考
bootstrap r(ind_eff) r(dir_eff), reps(1000):sgmediation y,mv(中介变量) iv(自 ...
bootstrap r(ind_eff) r(dir_eff), reps(1000): sgmediation sq,mv( sAEPS ) iv( scap )
出现'r(ind_eff)' evaluated to missing in full sample怎么了