?rect
--
David Winsemius
On Mar 23, 2009, at 11:01 PM, Jason Rupert wrote:
The result of the code shown below is posted at the following URL:
http://n2.nabble.com/Trying-to-properly-label-abline-td2524629.html
I would like to figure out a better way to label the horizontal
abline.
I tried multiplying the text y position by a scale, but this didn't
always put the text in a useful position. I guess I am curious if
there is a preferred procedure for labeling the abline. Is there a
way to "fill" the text label and also put a box around the text
label? I guess I would also like to have the box around the text
match the abline format.
Thank you for any info or insights.
x_vals<-1:1000
y_vals<-rnorm(1000)
plot(x_vals, y_vals)
top_label<-paste("Top Label = ", format(max(y_vals), digits=2),
sep="")
abline(h=max(y_vals), col="darkred")
text(max(x_vals), max(y_vals), top_label, pos=2)
bottom_label<-paste("Bottom Label = ", format(min(y_vals),digits=2),
sep="")
abline(h=min(y_vals), col="darkred")
text(max(x_vals), min(y_vals), bottom_label, pos=2)
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
