[R] Odp: displaying the means on a scatter diagram

[Petr PIKAL]

Hi

r-help-bounces at stat.math.ethz.ch napsal dne 22.08.2007 09:10:26:

> 
> Hello,
> 
> I created a simple scatter diagram:
> 
> x= c(53, 52, 55, 65, 71, 69, 75, 78, 88, 70)
> y= c(162, 165, 165, 171, 173, 175, 179, 181, 184, 176)
> plot(x, y)
> 
> Now I would like to display the mean on that diagram.

do you think

points(mean(x), mean(y))

or e.g.

abline(h=mean(y))
abline(v=mean(x))

Regards
Petr


> 
> Can anyone tell me what possibilities I have to do that?
> Thanks in advance
> 
> Tobias
> 
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