Hi
Does this not do what you want ... ?
allpages <- dotplot(variety ~ yield | year * site, data=barley,
layout=c(2,2))
page2 <- allpages[1:2, 3:4]
print(page2)
Paul
On 24/04/18 17:51, Rolf Turner wrote:
On 24/04/18 15:17, Paul Murrell wrote:
Hi
I think the subsetting works by giving you the panels for the
corresponding levels of the conditioning variable(s). Note that, if
there is more than one conditioning variable, you will need more than
one subsetting index.
For example, taking this plot with two conditioning variables and 12
panels in total ...
dotplot(variety ~ yield | year * site, data=barley)
... this produces three pages ...
dotplot(variety ~ yield | year * site, data=barley,
layout=c(2,2))
... and this produces the second page (both panels for the first
conditioning variable and the third and fourth panels for the second
conditioning variable) ...
dotplot(variety ~ yield | year * site, data=barley,
layout=c(2,2))[1:2, 3:4]
Hope that helps.
Hmm. Thanks Paul. I may be able to work with that. But what I really
wanted was to take
bar <- dotplot(variety ~ yield | year * site, data=barley)
and then do (something like)
foo <- bar[<something>]
so that foo contains only the second page of bar, and then do print(foo)
to get a plot of (just) the second page. Without re-issuing a
(modified) plot command.
Is that not at all possible?
cheers,
Rolf.
--
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
p...@stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/
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