boxplot(cars[[2]])
points(1,cars[[2]][34],col="red")
text(1,cars[[2]][34],labels=c("Like this?"),col="red",pos=4)
HTH, Joh
Marc Giombetti wrote:
> Hello everybody,
>
> I am new to R and I am having the following problem.
> I have the following boxplot:
>
> boxplot(s$Estimate,u$Estimate,names=c("Security",
"Usability"))
> title(main="Estimated development time",ylab="Estimate
(weeks)")
>
> http://i35.tinypic.com/2rhw9rm.jpg
>
> but I want to add a label or symbol for a specific value to every
> boxplot. I uploaded a screenshot
> of a boxplot I generated using Excel which I try to replicate using R.
> In this example my dataset
> "usability" which is represented in the boxplot should be
compared to
> another value 84 (highlighted in red)
> This value is not in the dataset u$Estimate.
>
> http://i35.tinypic.com/24n0020.jpg
>
> Can I use some overlay per boxplot to add a specific value?
>
> I appreciate your help!
>
> thanks a lot,
>
> Marc