老师,请问lianxh.cn/news/e7155459里面执行命令语法:eventdd depvar [indepvars] [if] [in] [weight], timevar(varname) [options]后,stata显示:command matsort is unrecognized怎么办?画不出图形……谢谢! 2023-02-23 回复1 远梦 直接ssc install matsort 就好了 2023-08-09 回复1 che...