r的一个读取错误,本来能运行的,后来再打开就不能运行了!!这是什么情况??明明什么都没改啊,谢谢大家
> setwd("c:/Users/Administrator/Desktop/") > rt<-read.table("inc.txt", header=TRUE)Error in file(file, "rt") : cannot open the connectionIn addition: Warning message:In file(file, "rt") : cannot open file 'inc.txt': No such file or directory