[R] Draw a circle at the end of a line

From: <Jue.Wang2_at_sanofi-aventis.com>
Date: Thu 12 Oct 2006 - 17:32:08 GMT


I have a plot of cumulative distribution function which is a step function, I'd like to put a cycle at the right end of each line to indicate that the value here is not available in this line.

How can I do that?

Thank you.

cdf<-function(x){
do.call("rbind",lapply(1:nrow(as.matrix(x)), function(i){ a<-x[i]
if (a<0.5){b=0.1}

else if (a<1){b=0.3}
else if (a<1.5){b=0.5}
else if (a<2.5){b=0.7}
else if (a<3){b=0.9}

else b<-1
}))}

xx<-seq(0,3.5,by=0.01)
pp<-cdf(xx)

plot(xx,pp)

Jue Wang, Biostatistician
Contracted Position for Preclinical & Research Biostatistics PrO Unlimited
(908) 231-3022



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