[R] duplicate data points on a line graph

[Chuck Cleland]

On 7/15/2009 2:19 PM, NDC/jshipman wrote:
> Hi,
>     I am new to R plot.  I am trying to increase the data point
> observation when duplicate data points exist
> 
> x    y
> 1    10
> 1    10
> 2    3
> 4    5
> 9     8
> 
> 
> in the about example  1, 10 would be displayed larger than the other
> data points.  Could someone give me some assistance with this problem

  A couple of simple approaches:

x <- c(1,1,2,4,9)

y <- c(10,10,3,5,8)

plot(jitter(x), jitter(y))

plot(x, y, cex=c(2,2,1,1,1))

> 757-864-7114
> LARC/J.L.Shipman/jshipman
> Jeffery.L.Shipman at nasa.gov
> 
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-- 
Chuck Cleland, Ph.D.
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