> I'm not aware of any such package, but I'll assume you are talking about
> something else.
Yes sure, it was libray(lattice), and not (trellis) indeed... I wrote the code line in
the email directly after two many hours work... a bit confused. Sorry.
> Difficult to guess without access to the data. Could you send me (offlist)
> your data frame (preferably saved using 'save') along with actual code that
> reproduces the error ?
OK. I will do it and come back to the list for a short report on what happened.
Many thanks for considering this problem,
Best regards,
Patrick Giraudoux
----- Original Message -----
From: "Deepayan Sarkar" <[EMAIL PROTECTED]>
To: "Patrick Giraudoux" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: "Marc Montadert" <[EMAIL PROTECTED]>; "Francis Raoul" <[EMAIL PROTECTED]>
Sent: Saturday, January 03, 2004 10:21 AM
Subject: Re: [R] bwplot and panel.bwplot
> On Friday 02 January 2004 14:29, Patrick Giraudoux wrote:
> > Hello,
> >
> > I am trying to use "bwplot" to display whisker boxes according to some
> > conditioning factors ("age" has two values 1/2). I get the following
> > messages:
> >
> > > library(trellis)
>
> I'm not aware of any such package, but I'll assume you are talking about
> something else.
>
> > > bwplot(dvk95~age|site*season,panel=function(x,y){panel.bwplot(x,y)})
>
> Why are you explicitly specifying a panel function ? Doesn't the default
> work ?
>
> > Error in tapply(1:0, structure(list(INDICES = numeric(0)), .Names =
> > "INDICES"), :
> > arguments must have same length
> > In addition: Warning messages:
> > 1: is.na() applied to non-(list or vector) in: is.na(x)
> > 2: is.na() applied to non-(list or vector) in: is.na(x)
> > 3: is.na() applied to non-(list or vector) in: is.na(x)
> > 4: is.na() applied to non-(list or vector) in: is.na(x)
> > 5: is.na() applied to non-(list or vector) in: is.na(x)
> > 6: is.na() applied to non-(list or vector) in: is.na(x)
> >
> > I suspect this may come from not-anwered (NA) combinations of categories
> > (data are field data on hazel grouse and the sampling is not balanced).
> > Using "xyplot" however leads to a correct display of data, the "NAs"
> > combinations of categories being simply empty in the panel plot.
> >
> > Passing na.action = na.omit or similar expressions don't lead to anything
> > (actually every vector used has not any NA values).
> >
> > Is there a way to get a display with bwplot (and panel.bwplot) in this
> > case?
> >
> > Thanks in advance for any hint,
>
> Difficult to guess without access to the data. Could you send me (offlist)
> your data frame (preferably saved using 'save') along with actual code that
> reproduces the error ?
>
> Deepayan
>
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