摘要: 1、merge函数 dir() test1 <- read.table("test1.txt", header = F) test1 test2 <- read.table("test2.txt", header = F) test2 result <- merge(test1, test2, by 阅读全文
posted @ 2021-12-26 22:28 小鲨鱼2018 阅读(1744) 评论(0) 推荐(0)