Hi, I've got a quite tricky question.
I have a txt file, named 'temp.txt', as the following:
snp1 snp2 snp3
AA 00 00
GG GG 00
00 AA 00
I want to read the file into R.
1) when I use 'read.table' without 'header=T' option,
> temp <- read.table('temp.txt')
# I got
> temp
V1 V2 V3
1 snp1 snp2 snp3
2 AA 00 00
3 GG GG 00
4 00 AA 00
2) If I include the 'header=T' option,
> temp <- read.table('temp.txt', header=T, as.is=T)
# I got
> temp
snp1 snp2 snp3
1 AA 00 0
2 GG GG 0
3 00 AA 0
The difference is for 'snp3', we can see, in 1) the values for snp3 are all
'00', while in 2) the values are all '0'. How can I keep the original
values for snp3 as '00', meanwhile get the 'headers' or say the colnames as
'snp1 snp2 snp3'?
thank you very much,
karena
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