[R] add a column to an exported data.frame

[Liaw, Andy]

If this is on [U,Li]nix, you can write the extra column(s) to another file,
then use the `paste' command (see man paste) to do that at the shell prompt.
If you're on Windows, you can try to find a version of `paste' that works on
Windows.

HTH,
Andy

> From: Rogério Rosa da Silva
> 
> Dears R users,
> 
> Is there a way to add a column of results to an exported 
> data.frame (exported 
> with write) ?
> 
> Thanks
> 
> Rogério
> 
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