Re-read the colClasses section of ?read.table. Use "NULL", not NULL.
On Tue, May 4, 2010 at 12:11 PM, Marshall Feldman <ma...@uri.edu> wrote:
> Hi,
>
> I am trying to read a tab-delimited file that has trailing tab delimiters.
> It's a simple file with two legitimate fields. I'm using the first as
> row.names, and the second should be the only column in the resulting data
> frame.
>
> Initially, R was filling the last column with NA's, but I was able to stop
> that by setting colClasses=c("character","character",NULL). Still, the data
> frame is coming in with an extra column, only now its values are set to "".
>
> Is there any way to skip the trailing delimited field entirely? I've
> searched for an answer without luck.
>
> Thanks.
> Marsh Feldman
>
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