R: read.csv adding sub-script “X” in header

Question

I have a data frame that has headers as this

Name  0x1  1x2

read.csv changes the header to be

Name X0x1 X1x2

Answer 1

I met the same problem. The solution for me on MAC machine is to save the file with fileEncoding = "macintosh". Then read it by doing check.names = F.