Stéphane CRUVEILLER <scruveil <at> genoscope.cns.fr> writes:
> I would like to know whether it is possible to draw several
> stacked barplots (i.e. side by side on the same sheet)...
>
> my data look like :
>
> Cond1 Cond1' Cond2 Cond2'
> Compartment 1 11,81 2,05 12,49 0,70
> Compartment 2 10,51 1,98 13,56 0,85
> Compartment 3 1,95 0,63 2,81 0,22
> Compartment 4 2,08 0,17 3,13 0,06
> Compartment 5 2,51 0,20 4,58 0,03
>
> ps: Cond1' values should be stacked on Cond1, Cond2' on Cond 2 and so
> on... and series 1 and 2
> should be side by side for each compartement....
Check the following example on xyplot/lattice:
barchart(yield ~ variety | site, data = barley,
groups = year, layout = c(1,6), stack = TRUE,
auto.key = list(points = FALSE, rectangles = TRUE, space = "right"),
ylab = "Barley Yield (bushels/acre)",
scales = list(x = list(rot = 45)))
You have to reformat your data to the long format first for this, e.g. by using
reshape.
Comp Cond x
1 1 11.81
1 2 2.05
With allow.multiple=TRUE, it might be possible to avoid the reformatting, but I
never have used that form, because I the "long" had many advantages.
Dieter
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