黃河泉 发表于 2016-11-21 15:11 
你的指令呢?
_matplot e(LR21), yline(7.35, lpattern(dash)) connect(direct) msize(small) mlabp(0) mlabs(zero) ytitle("LR值") xtitle("门限参数") recast(line) name(LR21) nodraw
. _matplot e(LR22), yline(7.35, lpattern(dash)) connect(direct) msize(small) mlabp(0) mlabs(zero)ytitle("LR值") xtitle("门限参数") recast(line) name(LR22) nodraw
. graph combine LR21 LR22,cols(1)