[R] Set Colour of Histogram Bars (lattice)
Dieter Menne
dieter.menne at menne-biomed.de
Fri Feb 19 16:12:51 CET 2010
DarioAustralia wrote:
>
>
> I have a bunch of histogram bars that I'd like the first to be a certain
> colour, second to be another colour, third to be a third colour, and
> repeat for all my 39 bars.
>
>> levels(forPlot$type)
> [1] "Blah" "Blah 2" "Blah 3"
>
> trellis.par.set("plot.polygon$col", c("red", "green", "blue"))
> histogram( ~ cpgBin:type, data = forPlot, scales = list(x = list(rot =
> 90)), main = "CpG Density vs.
Please provide a self-contained example, not some mysterious data on your
disk.
Dieter
library(lattice)
df = data.frame(type=sample(letters[1:9],1000,TRUE))
histogram(~type,data=df,col=c("red","green","blue"))
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