有个.txt的数据如下
"Name" "Height" "Weight" "Age" "Sex"
"Alfred" 69 112.5 13.4 1
"Alice" 56.5 84 12.3 0
"Barbara" 65.3 98 13.6 0
"Carol" 62.8 102.5 14.2 0
"Henry" 63.5 102.5 14.8 1
"James" 57.3 83 11.6 1
"Jane" 59.8 84.5 11.2 0
"Janet" 62.5 112.5 15 0
"Jeffrey" 62.5 84 13.1 1
"John" 59 99.5 12.2 1
"Joyce" 51.3 50.5 10.6 0
"Judy" 64.3 90 14 0
"Louise" 56.3 77 12 0
"Mary" 66.5 112 15.6 0
"Philip" 72 150 16 1
"Robert" 64.8 128 12.9 1
"Ronald" 67 133 14.6 1
"Thomas" 57.5 85 11 1
"William" 66.5 112 15.3 1

infile=".......(.txt的路径）"
size.data=read.table(file=infile,header=T)
但是这步之后我居然出现了Error in make.names(col.names, unique = TRUE)
求指导这是为什么？？？？？？

网上查了下有人说是
“错误于make.names(col.names, unique = TRUE) :
        多字节字符串不对"
改成ANSI编码后, 问题解决.

可是怎么改成ANSI编码啊？？？