Hello,
I think there's no function in R to print error bars.
I once found one in a blog which I'm using.
errorbar <- function(x, y, upper, lower=upper, length=0.02, vert=TRUE, ...){
if(!doPlot) return()
if(length(x) != length(y) | length(y) !=length(lower) | length(lower)
!= length(upper))
stop("vectors must be same length")
if(vert){
arrows(x, y+upper, x, y-lower, angle=90, code=3, length=length, ...)
}else{
arrows(x+upper, y, x-upper, y, angle=90, code=3, length=length, ...)
}
}
Regards!
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