On Thu, Dec 11, 2008 at 2:55 AM, Thomas Zumbrunn wrote:
> I'm trying to use a lattice function within a function and have problems
> passing the "groups" argument properly. Let's say I have a data frame
>
> d <- data.frame(x = rnorm(100), y = c("a", "b"))
>
> and want to plot variable x in a densi
>
> If however I wanted to call the function "densityplot" within a function and
> pass the "groups" argument as an argument of that function, how would I have
> to proceed? It is not as straightforward as
>
> f <- function(data, groupvar) {
> densityplot(~ x, data, groups = groupvar)
> }
>
I'm trying to use a lattice function within a function and have problems
passing the "groups" argument properly. Let's say I have a data frame
d <- data.frame(x = rnorm(100), y = c("a", "b"))
and want to plot variable x in a densityplot, grouped by the variable y, then
I would do something like
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