Try this:

histogram(~ values | ind, stack(aa))


On Fri, Mar 19, 2010 at 5:44 PM, Santosh <santosh2005@(protected):
> Dear R-gurus
>
> aa <- data.frame(a1=rnorm(20),b1=rnorm(20,0.8),c1=rnorm(20,0.5))
> sapply(aa,function(x) histogram(x,breaks=NULL))
>
> or px <- sapply(aa,function(x) histogram(x,breaks=NULL))
> print(px,split=c(1,1,1,1),more=F)
>
> The above code does not seem to work. am I missing something?
>
> Thanks,
> Santosh
>
>        [[alternative HTML version deleted]]
>
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.