[R] Properly labeling abline with text?
dwinsemius at comcast.net
Tue Mar 24 04:20:47 CET 2009
On Mar 23, 2009, at 11:01 PM, Jason Rupert wrote:
> The result of the code shown below is posted at the following URL:
> I would like to figure out a better way to label the horizontal
> 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.
> plot(x_vals, y_vals)
> top_label<-paste("Top Label = ", format(max(y_vals), digits=2),
> 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),
> abline(h=min(y_vals), col="darkred")
> text(max(x_vals), min(y_vals), bottom_label, pos=2)
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
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