[R] Y-limits of barplots

[Uli Flenker; Raum 704]

Hello everybody,

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")?


        Uli Flenker
        Institut fuer Biochemie
        Deutsche Sporthochschule Koeln
        Carl-Diem-Weg 6

        50933 Koeln

        Tel.: D/0221/4982-493
                         -494

 



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