[R] Controlling Order of Panels in Lattice Trellis Plots

Rich Shepard rshepard at appl-ecosys.com
Fri Feb 22 23:35:01 CET 2013


On Fri, 22 Feb 2013, David Winsemius wrote:

> `is.ordered` will return TRUE if it is an ordered factor. That's not what
> you want to know and using `as.ordered` would also fail to provide the
> needed ordering. You need to provide a proper levels argument to the
> factor function. And you will find that making an ordered factor will
> probably have undesirable side effects.

   Thank you, David. That was the conclusion I was approaching as I tried
is.ordered and as.ordered and saw they did not affec the needed changes.
I'll look at levels or sort the input data file before reading it into R.

Rich



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