[R] problem with using lines command on windows XP machine
Petr Pikal
petr.pikal at precheza.cz
Thu Jan 5 13:32:12 CET 2006
Hi
On 5 Jan 2006 at 11:27, Edwin Commandeur wrote:
From: "Edwin Commandeur" <e.commandeur at uvt.nl>
To: <r-help at stat.math.ethz.ch>
Date sent: Thu, 5 Jan 2006 11:27:01 +0100
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)
quite close
abline(v=0)
draws a vertical line at x=0
from help page
Arguments:
x, y: coordinate vectors of points to join.
Maybe to mention abline in See also of lines help page could be good
HTH
Petr
>
> 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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Petr Pikal
petr.pikal at precheza.cz
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