[R] ordered boxplots

[Jacques Veslot]

boxplot(count ~ spray, data = InsectSprays, col = "lightgray", 
at=with(InsectSprays, rank(tapply(count, spray, median))))

Chuck Cleland a écrit :
> ?reorder.factor shows the follwing example:
> 
> bymedian <- with(InsectSprays, reorder(spray, count, median))
> 
> boxplot(count ~ bymedian, data = InsectSprays,
>          xlab = "Type of spray", ylab = "Insect count",
>          main = "InsectSprays data", varwidth = TRUE,
>          col = "lightgray")
> 
> Thomas Hoffmann wrote:
> 
>>Dear List-Members,
>>
>>I would like to produce a ordered boxplot in which the categories with 
>>the smallest median are plotted at the left end and the box with the 
>>largest median at the right.
>>
>>Thanks in advance for any advices
>>Thomas H.
>>
>>______________________________________________
>>R-help at stat.math.ethz.ch mailing list
>>https://stat.ethz.ch/mailman/listinfo/r-help
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>>
> 
> 


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