clear
input int A str9 B byte C
300 "张三" 88
300 "张三" .
301 "李四" 96
302 "王五" 77
302 "王五" .
306 "吴欣绅" 58
306 "吴欣绅" .
end
请问如何根据A B列给缺失值所在行赋值呢,比如,300 张三,也赋值C列为88,感谢各位大神了!
\[clear input int A str9 B byte C 300 "张三" 88 300 "张三" . 301 "李四" 96 302 "王五" 77 302 "王五" . 306 "吴欣绅" 58 306 "吴欣绅" . end\]