R help - Jul 2008 - xyplot help

I have a question about xyplot. Suppose I want to plot say a response variable y
vs a predictor x within groups defined by a variable called z. And suppose I
have another variable v=1,2 with two levels. I would use the following command
to get a "spaghetti plot" with two panels defined by v.
xyplot(y~x|v,groups=z,type="l") My question is that on top of the
panels, the title of each panel would just say v. Suppose I want it to say v=1
for one panel and v=2 for the other. Can someone tell me how I would go about
doing this? Thanks for your help.
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072008
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v <- factor(1:2)
xyplot(1:2 ~ 1:2 | v,
  strip=strip.custom(strip.names=TRUE, sep="="))

or

v <- shingle(1:2)
xyplot(1:2 ~ 1:2 | v,
  strip=strip.custom(strip.levels=TRUE, sep="="))


On Tue, Jul 22, 2008 at 4:26 PM,  <ae2356 at hotmail.com>
wrote:
> I have a question about xyplot. Suppose I want to plot say a response
variable y vs a predictor x within groups defined by a variable called z. And
suppose I have another variable v=1,2 with two levels. I would use the following
command to get a "spaghetti plot" with two panels defined by v.
xyplot(y~x|v,groups=z,type="l") My question is that on top of the
panels, the title of each panel would just say v. Suppose I want it to say v=1
for one panel and v=2 for the other. Can someone tell me how I would go about
doing this? Thanks for your help.
> _________________________________________________________________
> With Windows Live for mobile, your contacts travel with you.
>
> 072008
>        [[alternative HTML version deleted]]
>
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