哪位大神能帮忙看一看怎么解决
.  outreg2 using abc,word replace
matrix e(b) not found; run/post a regression, or specify varlist for non-regression outputs
r(111);
. outreg2 using abc,word
matrix e(b) not found; run/post a regression, or specify varlist for non-regression ou
> tputs
r(111);