[R] levelplot question

[Deepayan Sarkar]

On 6/23/08, Pedro Mardones <mardones.p at gmail.com> wrote:
> Dear all;
>  I have a data set with 3 groups and 2 response variables, say z1 and
>  z2, and I would like to create a single plot (using the levelplot
>  function) showing on the first row the leveplots for z1 for each group
>  and on the second row levelplots for z2 for the same groups. I tried
>  plot.trellis using the split option and it's OK but what I would like
>  to achieve is something similar to what you can get in the case that
>  you'd have 6 groups and only one response, i.e., 3 plots on the first
>  row, 3 in the second and no space between the first and 2nd rows
>  (...something like levelplot(z~x+y/group, where group=1,...,6).....).
>  The first row must have associated the levels corresponding to z1 and
>  the second row the levels of z2. Does anyone know if this is possible
>  to do with lattice?

Maybe something like

  levelplot(z1 + z2 ~ x + y | group)

(where group has 3 levels).

-Deepayan