[R] Y-limits of barplots

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Thu Mar 25 14:21:14 CET 1999

"Uli Flenker; Raum 704" <uli at biochem.dshs-koeln.de> writes:

> I frequently have to produce barplots from variables the natural variation
> of which is far away from zero. A typical range would be, say from -16 to
> -28.
> So, the following example should give an "honest" presentation:
> x<-c(-20,-22,-21,-28)
> barplot(x,beside=T,ylim=c(-18,-30))
> But using anything else but "0" for the first element of ylim
> leads to strange results, as the bars "ignore" the X-axis and keep on
> extending to zero. (R 0.63.2, Linux 2.0.25)
> Any idea how to avoid this behaviour (without doing a rewrite of
> "barplot")?

I suppose some would say you deserve what you get and that it doesn't
really make sense to describe such data with barplots...

However, if you insist, try something like:


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