Re: [R] ordering a factor in boxplot output

From: Peter Alspach <PAlspach_at_hortresearch.co.nz>
Date: Thu, 01 May 2008 08:42:29 +1200

One option is to set the order in newfile:

newfile$ApptCategory <- factor(newfile$ApptCategory, levels=c('New','Established'))

Of course, this will then affect the order for other things associated with ApptCategory, but that is probably what you want.

HTH ....... Peter Alspach

> -----Original Message-----
> From: r-help-bounces@r-project.org
> [mailto:r-help-bounces_at_r-project.org] On Behalf Of Tubin
> Sent: Thursday, 1 May 2008 6:40 a.m.
> To: r-help_at_r-project.org
> Subject: [R] ordering a factor in boxplot output
>
>
> I'm sure I'm missing something obvious in the documentation...
>
> I'm generating a boxplot
> boxplot(CleanValue~ApptCategory*ReportingCode,data=newfile)
> where ApptCategory is a factor with possible values
> ("New","Established")
>
> Problem is, the output orders those factors alphabetically,
> and I'd really rather see New come first. I'm apparently
> confused by the "reorder" function because somehow my
> attempts to apply it have resulted in reversing the labelling
> (so now the established boxes are labelled as new).
>
> What am I missing? Thanks.
> --
> View this message in context:
> http://www.nabble.com/ordering-a-factor-in-boxplot-output-tp16
> 989073p16989073.html
> Sent from the R help mailing list archive at Nabble.com.
>
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