[R] labels of a conditioning variable in xyplot

From: Nathan Leon Pace, MD, MStat <N.L.Pace_at_m.cc.utah.edu>
Date: Tue 11 Oct 2005 - 08:53:17 EST

I am running R 2.1.1 on a Mac g5 under Mac OS 10.4.2.

I have an xyplot with a single conditioning variable (8 levels) .

Here is the code for the conditioning variable used in the formula argument of xyplot:

         levels = c(

), labels = c(
'Bupi. Reference 2.',
'Levo. Reference 4.',
'Ropi. Reference 2.',
'Ropi. Reference 3.',
'Bupi. Reference 3.',
'Levo. Reference 5.',
'Ropi. Reference 4.',
'Ropi. Reference 5.'
) )

The object is not created and I get the following error message:

Error in do.call("pmax", lapply(cond, is.na)) :

     symbol print-name too long

When I delete the labels vector, the code runs without difficulty.

Any thoughts on this error message?



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