setwd("D:/RBook/")
> BFCases <- read.table(file="BirdFluCases.txt", header = TRUE)
Error in make.names(col.names, unique = TRUE) : 多字节字符串8有错
> help("read.table")
> BFCases <- read.table(file="BirdFluCases.txt", header = TRUE,sep = "")
Error in make.names(col.names, unique = TRUE) : 多字节字符串8有错