Message-ID: <AANLkTimSOo4E8qQYzwTSAFWhwKcO5U-CHha5xf1F1Yxv@mail.gmail.com>
Date: 2011-01-28T17:52:55Z
From: Sarah Goslee
Subject: Plot 1:1 relationship
In-Reply-To: <6D99813B-00D4-454B-A502-FEC12E326949@me.com>
abline() takes the intercept and slope, which for a 1:1 relationship
are 0 and 1, respectively.
So:
abline(0, 1)
Sarah
On Fri, Jan 28, 2011 at 10:42 AM, Peter Francis <peterfrancis at me.com> wrote:
> Dear list,
>
> I am looking to plot a line on a graph to show the 1:1 relationship, in order to demonstrate the pattern i have observed is off the line, however i am unsure. I have tried abline but i can not see a function to plot the 1:1?
>
>
> Any help would be greatly appreciated
>
> #generate data
> y <- rnorm(30, mean=1.5, sd= 0.005)
> x <- rnorm(30, mean=1.5, sd= 0.005)
> plot(x,y)
>
> Thanks,
>
> Peter
>
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>
--
Sarah Goslee
http://www.functionaldiversity.org