[R] xyplot strip=function for two conditioning variables

[Deepayan Sarkar]

On Mon, Aug 4, 2008 at 3:36 AM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> Checkout this one:
>
> http://finzi.psych.upenn.edu/R/Rhelp02a/archive/82452.html

And there's a wrapper for this in the latticeExtra package:

library(latticeExtra)
useOuterStrips(xyplot(data=df, copies~week|Treatment+genes,type=c("b","g")))

-Deepayan

> On Mon, Aug 4, 2008 at 6:24 AM, Henning Wildhagen <HWildhagen at gmx.de> wrote:
>> Dear list,
>>
>> for a data structure like in df:
>>
>> set.seed(100)
>> Treatment<-rep(c("Nitrogen","Carbon", "Sulfur"),each=9)
>> week<-rep(c(1,5,9),3,each=3)
>> genes<-rep(c("18s", "EF1b", "NR"),9)
>> copies<-rnorm(27, 1000000,400000)
>> df<-data.frame(Treatment,week,genes,copies)
>>
>> i wrote this code for a xyplot:
>>
>> library(lattice)
>> PLOT<-xyplot(data=df, copies~week|Treatment+genes,type=c("b","g"))
>>
>> I would like to change PLOT in a way, that the strips for Treatment are
>> displayed only once at the top of each of the three columns. Additionally i
>> would like to strips for "genes" at the top of each panel.
>>
>> I tried to adopt some code i found in the helplist using strip=function...
>> but i did not manage to get what i would like.
>>
>> Can anyone give me advice?
>>
>> Thanks,
>>
>> Henning
>>
>>
>> --
>>
>>
>>
>>        [[alternative HTML version deleted]]
>>
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>
> ______________________________________________
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>