[R] problem with using lines command on windows XP machine

Dimitris Rizopoulos dimitris.rizopoulos at med.kuleuven.be
Thu Jan 5 11:42:16 CET 2006

I think  you need "abline(v = 0)".

I hope it helps.


Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/(0)16/336899
Fax: +32/(0)16/337015
Web: http://www.med.kuleuven.be/biostat/

----- Original Message ----- 
From: "Edwin Commandeur" <e.commandeur at uvt.nl>
To: <r-help at stat.math.ethz.ch>
Sent: Thursday, January 05, 2006 11:27 AM
Subject: [R] problem with using lines command on windows XP machine

> Hello,
> I'm using R version 2.2.0 installed on windows XP machine, with SP2 
> (maybe
> it's also interesting to note it's laptop, so it outputs to a laptop 
> screen)
> a l and I wanted to draw a line in a graph, but it does not seem to 
> work.
> To test it I use the following code:
> x = c(-1,0,1)
> y = c(-1,0,1)
> plot(x,y, type="l", xlim=c(-1,1), ylim=c(-1,1))
> lines(0)
> If I understand the documentation right this should draw a line 
> (with
> default settings, I'm not setting any parameters) at x=0.
> I tried goofing around a bit setting linewidth and color 
> differently, I
> tried using xy.coords etc, but no line appeared in the graph.
> The commands abline and segments work perfectly fine (so I am now 
> using
> segments to plot the line I want), but I still think the lines 
> command
> should work.
> Does anybody has similar problems drawing lines on XP machines (or 
> laptops
> in general?)? Or I am doing something abominably wrong?
> Greetings and thanks in advance for any replies,
> Edwin Commandeur
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