[R] plotting overlapping data points

[Antonio Olinto]

> I am just learning to use R.  The data from my current project are
> integer-valued.  I am able to create scatterplots, but I would like to
> have some indication on the plots when multiple data points overlap at
> the same x-y coordinate. SPSS uses 'petals', and other packages use
> jitter.  Are there similar options in R?  

You may also try

x<-c(2,2,3,3,5)
y<-c(2,2,4,4,7)
sunflowerplot(x,y) 

See ?sunflowerplot for details.

Antonio Olinto
Sao Paulo Fisheries Institute
BRAZIL

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