I got it to works. The problem was mainly how data were passed to my
panel and panel.groups function. For reference, here is what I ended
with:
require(lattice)
mybwplot - function(x,y,data,group){
if (missing(group)||is.null(group)) {
group - 'NULL'
ngroups - 1
} else {
Dear R-users,
A while ago, Deepayan Sarkar suggested some code that uses the group
argument in bwplot to create some 'side-by-side' boxplots
(https://stat.ethz.ch/pipermail/r-help/2010-February/230065.html). The
example he gave was relatively specific and I wanted to generalize his
approach into
You may want to consult a recent post by Felix
(https://stat.ethz.ch/pipermail/r-help/2011-August/286707.html) on how
to pass group parameter.
Weidong Gu
On Sat, Aug 20, 2011 at 6:59 AM, Sébastien Bihorel pomc...@free.fr wrote:
Dear R-users,
A while ago, Deepayan Sarkar suggested some code
Thanks for your input and this link. I realize that there was a typo
in my example code that impacted the group argument... That's king of
stupid.
However, even with the implementation of Felix's syntax, the Error
using packet 1, 'x' is missing error message is still displayed, even
if the call
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