[R] barchart with stacked and beside bars

[chris20]

Hi,
Is there a way to stack bars in a barchart as well as "beside" bars for the
same treatment? eg....

I have one barchart like this:

bio<-matrix(c(10,23,9,25),nrow=2,byrow=T)
ntreat<-c("n0","n96")
colnames(bio)<-ntreat
barplot(bio,beside=T)

now i want a similar barchart but with stacked bars:

ld<-matrix(c(25,25,50,10,30,60,15,35,50,30,30,40),nrow=4,byrow=T)
ntreat2<-c("n0","n96","n0","n96")
rownames(ld)<-ntreat2
typ<-c("gr","fo","le")
colnames(ld)<-typ

barplot(t(ld))

I can't work out how to put the same treatments side by side and keep "typ"
stacked.

Thanks,
Chris 


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