R help - Jan 2012 - Extracting data from trellis object

Simple question (I hope?).  How does one extract the data from a trellis
object? I need to get the data from a call to histogram().

A simple example below...

dat<-data.frame(year=as.factor(round(runif(500, 1990, 2010))), x=rnorm(500,
75, 35),
          y=rep(seq(1,50,by=1), times=10))
histogram(data=dat, y~x | year, type='count')

How do I get the actual numbers plotted in the histograms from this call to
histogram()?

Thanks,

Tim

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tsippel wrote on 01/25/2012 01:23:05 PM:
> Simple question (I hope?).  How does one extract the data from a trellis
> object? I need to get the data from a call to histogram().
> 
> A simple example below...
> 
> dat<-data.frame(year=as.factor(round(runif(500, 1990, 2010))), 
x=rnorm(500,
> 75, 35),
>           y=rep(seq(1,50,by=1), times=10))
> histogram(data=dat, y~x | year, type='count')
> 
> How do I get the actual numbers plotted in the histograms from this call 
to
> histogram()?
> 
> Thanks,
> 
> Tim

hist.stuff <- histogram(data=dat, y~x | year, type='count')
lapply(hist.stuff, print)

Jean
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