摘要: 1. 建立新变量 gen z=x*y 2. addition to typing variable names from your data, you can type factor variables, which might look like i.varname i.varname#i.var 阅读全文
posted @ 2021-07-06 10:29 celine227 阅读(4094) 评论(0) 推荐(0) 编辑