[R] Controlling Order of Panels in Lattice Trellis Plots

[Rich Shepard]

On Fri, 22 Feb 2013, Bert Gunter wrote:

> You do not need to use ordered factors.
> newfac <- factor(oldfac, lev= ...) ## will do it. e.g.
>
>> x <- factor(letters[1:3]) ## default ordering is alphabetic (mod locale)
>> x
> [1] a b c
> Levels: a b c
>> y <- factor(x,lev=letters[3:1])  ## reorder the levels
>> y
> [1] a b c
> Levels: c b a

Bert,

   Makes sense. I wonder if this will work when only a portion of the site
IDs need to be explicitly ordered. There are 64 sites in all. Might be
easier to sort the text file.

Thanks again,

Rich