[R] abline; setting plot limits

[Jim Lemon]

On Mon, 16 Jun 2014 08:54:41 AM Rolf Turner wrote:
> On 15/06/14 15:34, Paul Rydelek wrote:
> > Relatively new user with a question regarding abline.
> > 
> > I want to draw a st. line fit to some data but I want the line to span 
the
> > range of the x-data and NOT the plot limits.
> > In short the line spans xmin to xmax(of plot axis) but I want it to 
span
> > xmin to xmax (of x data).
> > Can this but done with abline or do I have to use lines and construct 
the
> > line from a+bx?
> 
> A function with this capability was posted by Remko Duursma on 
22/1/09. See:
> > 
http://article.gmane.org/gmane.comp.lang.r.general/137344/match=ablinepiec
> > e
> 
> cheers,
> 
> Rolf Turner
> 
> P. S.  Jim: Perhaps this function could/should be added to plotrix.  If
> you are interested, I have written a help file for it.
> 
> R. T.
Hi Rolf and others,
In fact Remko contributed that function to plotrix - ablineclip.

Jim