a <- c(5,4,3,2,1)
b <- c(1,2,3,4,5)
c <- cbind(a,b)
c[order(c[,1]),] #按第一列递增排序
转载https://blog.youkuaiyun.com/illfm/article/details/15218349
a <- c(5,4,3,2,1)
b <- c(1,2,3,4,5)
c <- cbind(a,b)
c[order(c[,1]),] #按第一列递增排序
转载https://blog.youkuaiyun.com/illfm/article/details/15218349