[R] paste ?

[Troels Ring]

Dear friends. I've made a very simple procedure to make Bland-Altman plots 
and it works OK except for the inability to take a variate as argument in 
annotation. I'm sure it is a very simple error, so if you have 5 seconds 
please tell me.
Best wishes
Troels

  bland <- function (x) #accepts two columns
{
mn <- 0.5*(x[,1]+x[,2])
diff <- x[,1]-x[,2]
plot(mn,diff,pch=16,xlab="Mean",ylab="Difference",
main = paste("Bland Altman plot",mn))
abline(h=mean(diff),lty=2)
abline(h=mean(diff)+c(2,-2)*sqrt(var(diff)))
}
Troels

look here:
http://www.wired.com/wired/archive/8.04/joy.html

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