?read.table and the R Data Import/Export manual (and An Introduction to R)
do all explain this.
To use header=TRUE the header should not name the row names column, *OR*
you need to add row.names=1 to the call. So just omit `Species'.
On Tue, 5 Oct 2004, S Peri wrote:
> Hi Group,
>
> I have a table with column names and row names.
>
> Species A B C D E F G
> Human 1 2 3 4 1 0 3
> Rat 0 2 3 3 2 1 2
>
>
> I read this tab delim. text file into R like the
> following:
> > mydata <-read.table('mydata.txt',header=TRUE)
> > mydata
> Species A B C D
> 1 Human 1 2 3 2
> 2 Rat 0 2 5 2
> 3 Cat 9 2 4 1
>
>
> Why am I getting 1,2,3 row names even after declaring
> heder = TRUE. I tried declaring row.names = NULL,
> however it is not accepting it and expects a vector
> with some names. I wanted Human, Rat and Cat as my row
> names. I wanted my data frame look like:
>
> Species A B C D
> Human 1 2 3 2
> Rat 0 2 5 2
> Cat 9 2 4 1
>
> I apologise for asking a lame question and this
> question might have been posted several times. I could
> not find an answer.
Really? Have you looked at the examples in `An Introduction to R'?
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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