Message-ID: <x28xsvypd9.fsf@viggo.kubism.ku.dk>
Date: 2006-02-01T17:12:50Z
From: Peter Dalgaard
Subject: Broken x-axis?
In-Reply-To: <C006388C.2E8%ginsburg@uthscsa.edu>
Brett Ginsburg <ginsburg at uthscsa.edu> writes:
> Hello,
> Sorry for the double post, but I just subscribed....
>
> Does anyone have experience creating a graph with a segmented x-axis?
>
> Specifically, as a pharmacologist, I frequently need to create a graph with
> 2 segments, one for vehicle, and one for active doses.
>
> Here is an example...
>
> |
> |
> |
> |
> |----| |----------------|
> Vehicle 1 3 10 30 etc..
> Doses
>
> Any help is appreciated!
axis.break() in the plotrix package springs to mind. Or, simply use
plot(....axes=F) followed by axis() multiple times with labels= and
at= to get override the default numeric labels (some assembly may be
required if you need to "cheat" the coordinate system).
--
O__ ---- Peter Dalgaard ??ster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907