How to plot multiple graphs in one go?
Sigh.... R FAQ 7.22 -- Bert
On Thu, Dec 8, 2011 at 8:59 AM, Kaiyin Zhong <kindlychung at gmail.com> wrote:
I am trying to do this, but it won't work:
library(lattice)
elemconc = data.frame(expand.grid(id=1:20, geno=c('exp', 'wt'),
region=c('cor', 'cr', 'spine'), elem=c('fe', 'cu', 'zn')), conc=rnorm(360,
10))
elemconc$geno = factor(elemconc$geno)
elemconc$region = factor(elemconc$region)
for (i in as.character(levels(elemconc$region))) {
+ densityplot(data=elemconc, ~conc, subset=region==i) + } -- Kaiyin Zhong ------------------------------------------------------------------------------------------------------------------ Neuroscience Research Institute, Peking University, Beijing, P.R.China 100038 ? ? ? ?[[alternative HTML version deleted]]
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Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm