Hi:
On Mon, Aug 23, 2010 at 9:27 AM, LCOG1 <jr...@lcog.org> wrote:
>
> Hey everyone,
> So i cant figure this out. when using histogram() from lattice instead
> of hist() i get what i want as far as output. But using histogram i can
> seem to be able to figure out how to get multiple plots on the same panel.
>
> So
> par(mfrow=c(3,2))
> for (i in 1:20) hist(rnorm(100),main="",cex.axis=.8)
>
> gets me about what i want but i want to use histogram() cause it gives me
> the format i want but the identical code does not work for histogram().
>
> par(mfrow=c(3,2))
> for (i in 1:20) histogram(rnorm(100),main="",cex.axis=.8)
>
This is not the syntax to use for histogram() in the lattice package.
Risking the obvious homework theory, try this:
library(lattice)
dd <- data.frame(gp = factor(rep(paste('Group', 1:6, sep = ''), each =
100)),
x = rnorm(600))
histogram( ~ x | gp, data = dd)
histogram( ~ x | gp, data = dd, as.table = TRUE)
Notice how the data were constructed in the data frame. This matters. Also
observe that unlike hist(), histogram() uses a formula interface; in this
case, it reads 'generate histograms of x conditioned on groups in variable
gp, from data frame dd'.
HTH,
Dennis
>
> I thought this was simply set in par() but it doesn't seem to do any good.
> Thoughts.
>
> Thanks
> JR
> --
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>
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