Produce "a prism like plot"
On 11/08/2012 11:48 PM, DusanP wrote:
Sorry to bother you again, But I have two other questions : 1. How do I change symbols (dots) for each group? I tried : For group 1, n=5. points(x=groups[1:5],y=data[1:5],type=pch). The issue is that it doesn't select the right points, or coordinates. 2. How can I increase horizontal spacing between dots from the same group which are at the same vertical level? I have some overlapping values for replicates. I tried to modify "intervals" and "offset" but it doesn't work.
Hi Dusan, Your first two questions are relatively easy: library(plotrix) data(iris) ehplot(iris$Sepal.Length, iris$Species, intervals=20, cex=1.8, pch=4,median=FALSE) irismeans<-as.vector(by(iris$Sepal.Length,iris$Species, FUN=mean)) segments(c(0.7,1.7,2.7),irismeans,c(1.3,2.3,3.3),irismeans) For your third question (number 2 above) I'll have to dig into the code, so I may have an answer this afternoon (Sydney time). Jim