Try this:
mat <- matrix(1:24, 6, dimnames = list(year = 2001:2006, region =
letters[1:4]))
library(lattice)
xyplot(Freq ~ year | region, as.data.frame.table(mat))
On 8/1/07, Dong Guo <guo.dong99 at gmail.com>
wrote:> Dear all,
>
> I have a matrix, dim = (years, regions)
>
> I would like to plot the data in a lattice so that each panel is
region's
> plot with y-axis based on values, x-axis based on year.
>
> how can I do that?
>
> Many thanks in advance.
>
> Dong
>
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>
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