麻烦各位老师帮我看一下,为什么我在使用coefplot画图的时候,使用了recast(connect)命令,还是没有出现连接线呢?
- forvalues i = 1/7{
- reghdfe 发行利差gkz did $xlist if afteryear == `i' | afteryear == 1000 | afteryear == 0,absorb(year issuer bondtype) vce(cluster 发行人中文名称)
- est store m`i'
- }
- coefplot m1 m2 m3 m4 m5 m6 m7,keep(did) aseq swapnames vertical recast(connected) color(blue) ciopt(recast(rcap) lp(dash) lw(thin) lcolor(blue)) mcolor(blue) yline(0, lp(solid) lc(gs0)) legend(off) level(90) xlabel(1 "1" 2 "2" 3 "3" 4 "4" 5 "5" 6 "6" 7 "7") ytitle("系数") xtitle("时间") nooffsets
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