[R] Overlay Boxplot with scatter plot

[Petr Pikal]

Hi

your example code is not reproducible.

On 1 Aug 2006 at 8:09, Lanre Okusanya wrote:

Date sent:      	Tue, 1 Aug 2006 08:09:38 -0400
From:           	"Lanre Okusanya" <lanre.okusanya at gmail.com>
To:             	R-help at stat.math.ethz.ch
Subject:        	[R] Overlay Boxplot with scatter plot

> I am trying to make a box plot and overlay it with a scatter plot from
> another data.frame. I was able to successfully create the boxplot, but
> when i tried using points(x~y...) the dots did not show up.
> 
> example code
> 
> aa<-(300,300,300,300,600,600,600,600,900,900,900,900)
         ^^^ missing c
> bb<-(13,12,14,11,56,44,34,75,22.,34,22,98,59,55,56)
> cc<-(13,12,14,11,56,44,34,75,22.,34,22,98,59,55,56)
> nn<-data.frame(aa,bb)
different length of aa and bb

> mm<-data.frame(aa,cc)
> boxplot(bb~aa, data=nn)
> lines(cc~aa, data=cc)
> 
> Any help with example code is appreciated.

x<-rnorm(20)
y<-rep(c(10,20),each=10) 
bbb<-boxplot(x~as.factor(y))

although it seems as boxes are drawn at 10, 20 they are not.
Actually the x position of each box is located at 

- from help page -
at 		numeric vector giving the locations where the boxplots should be 
drawn, particularly when add = TRUE; defaults to 1:n where n is the 
number of boxes. 

as you can clearly demonstrate by issuing

points(1,0, cex=10)
 
HTH
Petr

> 
> Thank you.
> 
> Lanre
> 
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Petr Pikal
petr.pikal at precheza.cz