[R] unexpected plot behavior

[Uwe Ligges]

On 21.04.2012 16:49, Martin Renner wrote:
> When plotting a numerical vector against a factor, 'type="n"' seems to have no affect, e.g.
>> plot (1:10~factor (1:10), type = "n")
>
> looks just like
>> plot (1:10~factor (1:10))

This plots 10 boxplots and the data are passed from plot.formula. 
plot.formula does not accept a "type" argument. plot.default() does, but 
that is not used once your use a formula.

Uwe Ligges



>
> Plotting a numerical against itself works as expected:
>> plot (1:10, type = "n")
>
> I see the same behavior under debian gnu/linux, Mac OS X, and Win7 (all current versions, see below). Is this a bug?
>
> Regards,
> Martin
>
>
>
> Martin Renner
> Post-doctoral Fellow				phone: 907-226 4672
> University of Washington			   or: 907-235 0728
> School of Aquatic and Fishery Sciences		Seattle, USA
>
>
>
>> sessionInfo()
> R version 2.15.0 (2012-03-30)
> Platform: x86_64-unknown-linux-gnu (64-bit)
>
> locale:
>   [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
>   [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
>   [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
>   [7] LC_PAPER=C                 LC_NAME=C
>   [9] LC_ADDRESS=C               LC_TELEPHONE=C
> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
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