[R] How can I put error bars on a barplot() ?

Hi all, I am a relatively new R user... trying to put error bars (from SD values) on my data represented with barplot(). But I can't find any function or instruction to do so. Is there an easier way to do this than using segments() as I saw in an example in the R reference manual ? Then, can I

Re: [R] How can I put error bars on a barplot() ?

On Tue, 2003-12-23 at 08:04, olivier wrote: Hi all, I am a relatively new R user... trying to put error bars (from SD values) on my data represented with barplot(). But I can't find any function or instruction to do so. Is there an easier way to do this than using segments() as I saw in an