Dear Steve,
Try this:
x<-rnorm(100)
y<-rnorm(100) + 2*x
plot(x,y)
legend('topleft', c("Simulation", "Observation"), lty=1:2, col=2:3)
abline(x,y,col=3,lty=2)

(you forgot a ")" in your code :( )

HTH,

Jorge


On Mon, May 4, 2009 at 2:46 PM, Steve Murray <smurray444@hotmail.com> wrote:

>
> Dear all,
>
> I'm attempting to insert a legend into a line graph. I've sorted out the
> positioning, but I'm unable to display the sample line and associated colour
> to go within the legend box. Instead, under the variable names, the numbers
> 1, 2, 2, 3 are displayed in a column (with '2' repeated twice). This is the
> code I'm using:
>
> legend(80,1150, c("Simulation", "Observation", lty=1:2, col=2:3)
>
> How do I go about displaying a red solid line next to 'Simulation' and a
> green dashed line next to 'Observation' (and if necessary, remove the
> numbers that are currently displayed)?
>
> Many thanks for any help offered,
>
> Steve
>
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