R语言中switch语句。
1、测试1
switch (1, "aaa","bbb","ccc","ddd","eee" )
switch (3, "aaa","bbb","ccc","ddd","eee" )
switch (3, min(1:3), max(1:3), sum(1:3) )
R语言中switch语句
原文：https://www.cnblogs.com/liujiaxin2018/p/14698977.html
