[R] How to add error bars to plot(x,y)in R?

[Mark Myatt]

mingliz2 at netscape.net writes:
>Dear R Experts,
>
>Is there a way in R to add an error bar (say in the y direction) for each data 
>point?  

Have a look at my notes on R from:

        http://www.myatt.demon.co.uk

Mark


--
Mark Myatt


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