我将一个ba文件放在C:\Program Files\splus62\users\Guo\.Data\目录下，用read.table()调用，命令如下：data <- read.table(“C:\\Program Files\\splus62\\users\\Guo\\.Data\\ba.txt”, col.names=colnames, header=F)，却出现如下问题：Problem in count.fields(file = file, sep = sep, skip = skip): Couldn't open file "C:\Program Files\splus62\users\Guo\.Data\ba.txt" for "r" (read): No such file or directo
ry
Use traceback() to see the call stack

这是什么原因呀？S-Plus输入的数据文档后缀名是什么？