Try this:
barplot(cbind(as.matrix(var1), as.matrix(var2)), names.arg = LETTERS[1:4])
On Tue, Jan 20, 2009 at 8:28 AM, Daniel Brewer <daniel.bre...@icr.ac.uk>wrote:
> Hi,
>
> I have a particular barplot I would like to generate, but I am having
> trouble getting it to work. What I would like is in effect two barplots
> with stacked bars merged into one. For example, I have two samples
> (yoda1,yoda2) on which I measure whether two variables (var1,var2) are
> present or absent for a number of measurements on that sample.
>
> > var1 <- data.frame(yoda1=c(3,7), yoda2=c(1,9))
> > var2 <- data.frame(yoda1=c(8,2), yoda2=c(5,5))
>
> For each variable I can plot a barplot
>
> > barplot(as.matrix(var1))
> > barplot(as.matrix(var2))
>
> I would like to join these together, so that for each sample there are
> two stacked bars next to each other, one for var1 and the other for
> var2. I was thinking something like:
>
> > barplot(list(as.matrix(var1),as.matrix(var2)))
>
> would work, but it didn't.
>
> Any suggestions you could make would be great.
>
> Dan
>
> --
> **************************************************************
> Daniel Brewer, Ph.D.
>
> Institute of Cancer Research
> Molecular Carcinogenesis
> Email: daniel.bre...@icr.ac.uk
> **************************************************************
>
> The Institute of Cancer Research: Royal Cancer Hospital, a charitable
> Company Limited by Guarantee, Registered in England under Company No. 534147
> with its Registered Office at 123 Old Brompton Road, London SW7 3RP.
>
> This e-mail message is confidential and for use by the...{{dropped:20}}
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