[R] Errors bar in barchart

[Ronaldo Reis Junior]

Hi,

I user barplot2 to make a plot bar with errors bars. In old times I needed to 
use a sequence of segments commands to make this.

Now I try to make the same but using lattice. Is possible to use barplot2 in 
barchart function?

If not, what is the simplest way to put errors bar in barchart? I try to find 
an example in Lattice book, but dont find anythink like this.

Thanks a lot
Inté
Ronaldo
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