摘要: 字符串和因子 1.字符串 创建字符串 > c("Hello","World")[1] "Hello" "World" paste( ) 函数连接字符串 > c("Hello","World")[1] "Hello" "World"> paste(c("Hello","Hi"),"World")[1] 阅读全文
posted @ 2017-11-16 19:04 陌上少年 阅读(1302) 评论(0) 推荐(1) 编辑