[R] plotting simple plot with error bars

[Kenneth Cabrera]

Timur Elzhov wrote:

>Hello!
>
>I'm novice in R, so excuse me if my question will be quite trivial.
>I look through all the demos and examples, but could not find how could I
>plot 'classical' simple graph with error bars.  That is, I have dataframe
>with 3 columns: "x", "y" and "dy" -- how can I get points (x, y) with,
>for example, short lines of length "dy" up and down from "y"?
>
I have a very crude solution....


attach(dataframe)
plot(x,y)
for (i in 1:length(x)) { lines(c(x[i],x[i]),c(y[i]-dy[i],y[i]+dy[i])) }


I hope it will helps


>
>Thanks.
>
>
>Timur.
>
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