Try:

boxplot(mLength ~ puntar[drop=T],data=test)


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

On 30/08/2007, Luis Ridao Cruz <Luisr@frs.fo> wrote:
>
> R-help,
>
> I'm trying to do a simple box-and-whisker plot to some data.
> The data are a subset of a large data frame
> but when running the "boxplot" function on the subset data
> all the factors are still present in the graph leaving a huge
> empty space until the actuals factors are shown.
> This produces a spurious box-and-whisker plot.
>
> If the subset data are exported to another R session the problem is
> gone.
> Why are the factors still "remembered" by the boxplot?
>
> Attached is a copy of the data.
>
>
> Thanks in advance
>
>
> ## the line code
> boxplot(mLength ~ puntar,data=test)
>
> > version
>                _
> platform       i386-pc-mingw32
> arch           i386
> os             mingw32
> system         i386, mingw32
> status
> major          2
> minor          5.1
> year           2007
> month          06
> day            27
> svn rev        42083
> language       R
> version.string R version 2.5.1 (2007-06-27)
> >
>
>
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> 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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