STATA: 可用loop避免重覆吗? STATA 专家们 以下重覆多次的编程 :

STATA: 可用loop避免重覆吗? STATA 专家们 以下重覆多次的编程 : tab1 variable1 if (variableA == 1) , missing tab1 variable1 if (variableA == 1) & (variableB== 1) & , missing tab1 variable1 if (variableA == 1) & (variableB== 1) & (variableC== “no reason”), missing tab1 variable2 if (variableA == 1) , missing tab1 variable2 if (variableA == 1) & (variableB== 1) & , missing tab1 variable2 if (variableA == 1) & (variableB== 1) & (variableC== “no reason”), missing tab1 variable3 if (variableA == 1) , missing tab1 variable3 if (variableA == 1) & (variableB== 1) & , missing tab1 variable3 if (variableA == 1) & (variableB== 1) & (variableC== “no reason”), missing ……. ……. variable1, variable2 就是类似 性别 种族….等 若以上重覆6种不同 variable : variable1, variable2, variable3……variable6 除了使用以下macro 编码, 能有其他方式避免重覆6次吗? 可用loop吗? 谢谢 local repeat variable1 variable2 variable3 variable4 variable5 variable6 tab1 `repeat’ if (variableA == 1) , missing tab1 `repeat’ if (variableA == 1) & (variableB== 1) , missing tab1 `repeat’ if (variableA == 1) & (variableB== 1) & (variableC== “no reason”), missing