[R] Grouped Boxplot

David Winsemius dwinsemius at comcast.net
Tue Nov 24 18:44:43 CET 2009


Back in March Soren Vogel asked exactly the same thing:

Here is the solution that was offered then. (He offered a dataset as  
requested in the Posting Guide.)  ... with only a minor adjustment:

g <- rep.int(c("A", "B", "C", "D"), 125)
t <- rnorm(5000)
a <- sample(t, 500, replace=TRUE)
b <- sample(t, 500, replace=TRUE)
dta <- data.frame(val = sample(t,1000), g = gl(4, 250, labels=c("A",  
"B", "C", "D")) , G2 = gl(2,1, labels=c("XX", "YY")))
boxplot( val ~ g + G2, data=dta, at = 0.8*c(1,2,3,4,6,7,8,9),  
boxwex=0.8)

This should have shown up with this:

RSiteSearch("grouped boxplot")

-- 
David

On Nov 24, 2009, at 10:35 AM, Gary wrote:

> Thanks Uwe and Petr for your suggestion. Please see Fig. 3 on the  
> attached
> file. Thanks!
>
> On Tue, Nov 24, 2009 at 6:44 AM, Petr PIKAL <petr.pikal at precheza.cz>  
> wrote:
>
>> Hi
>>
>> try ggplot2. It has some functionality to make groups of boxplots.
>>
>> Regards
>> Petr
>>
>>
> Your attachment did not pass the list's filters. Anyway, see ?boxplot.
>
> Uwe Ligges
>
>
>
>>
>> r-help-bounces at r-project.org napsal dne 24.11.2009 03:33:49:
>>
>>> Hi R Users,
>>>
>>> I'm interested in plotting a grouped boxplot (please see attached  
>>> file
>> for
>>> sample). Can anyone suggest a function{package} which can help me
>> achieve
>>> this.
>>>
>>> Thanks,
>>> Gary
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
> <GroupedBoxplot.pdf>______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT



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