[R] error bars for a barchart

[ilai]

Thank you for your example. I only skimmed it, but since both
solutions use nlevels and box.ratio it is no surprise we end up at the
same place (although I do think your g-median is nicer than my 3/4).

Thing is, I wouldn't call either of these "simple"... would be nice if
one could just query the "new" centers, but I don't know if there is a
way without hacking panel.barchart itself ?

Cheers

On Tue, May 1, 2012 at 1:34 PM, Walmes Zeviani <walmeszeviani at gmail.com> wrote:
> I have a repoducibe example here
>
> http://ridiculas.wordpress.com/2011/11/23/media-e-desvio-padrao-de-muitas-variaveis-separado-por-grupos/
>
> Sorry for it be in Portuguese.
>
> Walmes.
>
> ==========================================================================
> Walmes Marques Zeviani
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> Departamento de Estatística - Universidade Federal do Paraná
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