Am 27 Jan 2007 um 20:13 hat Michael Kubovy geschrieben:
To: "[email protected] list" <r-
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From: Michael Kubovy <[EMAIL PROTECTED]>
Date sent: Sat, 27 Jan 2007 20:13:15 -0500
Subject: [R] Adding lines to xYplot
> I am using xYplot to plot data and CIs. How do I add several lines to
> the figure?
It's not clear what you mean by "add several lines". Maybe
<panel.abline> is what you are looking for? Another option might be
to use <panel.xYplot(x,y,subscripts,type="b")>...
HTH,
Bernd
# Examples of plotting raw data
dfr <- expand.grid(month=1:12,
continent=c('Europe','USA'),sex=c('female','male'))
set.seed(1)
dfr <- upData(dfr, y=month/10 + 1*(sex=='female') +
2*(continent=='Europe') +
runif(48,-.15,.15),
lower=y - runif(48,.05,.15),
upper=y + runif(48,.05,.15)
)
xYplot(Cbind(y,lower,upper) ~ month,
subset=sex=='male' & continent=='USA',
panel=function(x,y,subscripts){panel.xYplot(x,y,subscripts);
## add lines to the graph which denote means of x and y
panel.abline(h=mean(y),v=mean(x))},data=dfr)
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