[R] Frequency plot --- stacked symbols

[David Arnold]

Hi,

This was a terrific suggestion. I'm no expert in R, but I managed to find and read the axis command to do the following.

x=c(rep(2,14),rep(4,13),rep(6,11),rep(8,4),rep(10,3),rep(12,2),14,16,18)

stripchart(x,method="stack",pch=21,at=0,bg="lightblue",col="blue",offset=.5,cex=1.5,xlab="Bag B",frame.plot=FALSE,axes=FALSE)

axis(1,at=seq(2,18,by=2))

This produced the following graph when saved to a pdf file:

http://msemac.redwoods.edu/~darnold/math15/LizPlot.pdf

However, there is a huge block of whitespace above the stacked circles that I would like to get rid of so it doesn't take up space in my Latex document. How can I do that?

David.

On Feb 8, 2011, at 2:57 AM, Eik Vettorazzi wrote:

> Hi David,
> you can use base 'stripchart'
> 
> stripchart(rbinom(100,size=10,p=.3),method="stack",pch=21,at=0,bg="lightblue",col="blue",offset=.5,cex=1.5,xlim=c(0,10))
> 
> and set 'pch' as you wish, e.g. as in
> 
> example(points)
> 
> hth.
> 
> Am 08.02.2011 08:27, schrieb David Arnold:
>> Hi,
>> 
>> We were wondering how we could make a stacked frequency diagram such as this one:
>> 
>> http://msemac.redwoods.edu/~darnold/math15/liz.pdf
>> 
>> We don't necessarily need the shaded "balls", other characters would be fine, such as stacks of x's.
>> 
>> David
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>> and provide commented, minimal, self-contained, reproducible code.
> 
> 
> -- 
> Eik Vettorazzi
> Institut für Medizinische Biometrie und Epidemiologie
> Universitätsklinikum Hamburg-Eppendorf
> 
> Martinistr. 52
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> 
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