Thanks for all the people that replied my message. The text file indeed has
"\uFEFF". I have fixed the text file by using 'gvim -b'.
On Tue, Feb 22, 2011 at 10:03 AM, Jeff Newmiller
<jdnew...@dcn.davis.ca.us>wrote:
> What you describe could be a bug (in which case providing your OS and R
> version info per the posting guidelines would be a minimum requirement to
> get it fixed) or a control character that is actually in your file (which
> you might need a binary editor to see).
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>
> John Edwards <jhnedwards...@gmail.com> wrote:
>
>> Hi,
>>
>> I have the following input file.
>> $ cat main.txt
>> CEL_A CELL_B
>> 1 4
>> 2 5
>> 2 6
>>
>> Then I run read.table in R.
>>
>> > f=read.table('main.txt', header=T, check.names=F, sep='\t')
>> > head(f)
>> \ufeffCEL_A CELL_B
>> 1 1 4
>> 2 2 5
>> 3 2 6
>> > f$CEL_A
>> NULL
>>
>> I'm not sure where the special character \ufeff comes from. Could anybody
>> let me know what is the problem?
>>
>> Thanks,
>> John
>>
>> [[alternative HTML version deleted]]
>> ------------------------------
>> R-help@r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
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