Maybe:
nm <- c("a", "b", "c")
nm <- c(nm, "d", "e", "f")
...
read.table("myfile.dat", col.names = nm)
or paste the column names into the first line of the data file
using a text editor and use:
read.table("myfile.dat", header = TRUE)
On 6/3/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Hi : I am using R 2.20 on windows XP and I have a REALLY
> long read.table statement because the col.names argument
> has 440 character strings in it. ( I use python to write R code ).
> When I run the read.table statement inside an R program
> ( the R program only consists of the read.table statement )
> using the source command in an interactive R session,
> everything works fine. But, if I take the same program
> and try to run it using R CMD BATCH program name ,
> the .Rout file shows me that the execution gets halted at
> one of the col.names arguments but there is no error message.
> it just says "execution halted".
>
> So, I am thinking that this may have to do with some limit
> in R for how long the col.names argument can be ( or
> any command for that matter ) ? But, the same program works using the source
> command and I would think that the source command
> still has to read theline in somewhere ?
>
> What makes me think even more that the problem has something to
> do with the length of the command is that, as a test,
> I took the tread.table command and copied and pasted it into
> an interactive session to see if it would run that way.
> What was interesting was that the whole command did not get pasted and the
> pasting stopped at exactly the same place that the .Rout file showed that it
> stopped during BATCH mode.
>
> I can't send the command right now because I don't have email at
> the location where I am working but I may be able
> to send it later ? Any thoughts, suggestions or solutions
> would be really appreciated because I need to be able
> to get this program to work using BATCH mode.
>
> Thanks a lot.
>
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