Thanks! That does exactly what I needed.
On Tue, Aug 31, 2010 at 12:07 PM, David Winsemius <dwinsem...@comcast.net>wrote:
>
> On Aug 31, 2010, at 11:34 AM, Thomas Maier wrote:
>
> I'd like to annotate a lattice plot, e.g. xyplot, with text containing
>> both
>> Greek letters and variable values. In the base graphics plot command this
>> can be accomplished with e.g. main =
>> substitute(paste(lambda,"=",var),list(var=var)), where var is a variable
>> that contains the value.
>>
>
> Try wrapping as.expression around that substitute argument. Both of these
> seem to deliver desired results.
>
> > var=5
> > xyplot(1~1, main = as.expression(bquote(lambda==.(var))))
> > xyplot(1~1, main =
> as.expression(substitute(paste(lambda,"=",var),list(var=var))))
>
>
> When I try to do this in xyplot, I get the error
>> message "object 'lambda' not found". Any ideas on how to do this in
>> xyplot?
>> Thanks for the help!
>>
>>
> David Winsemius, MD
> West Hartford, CT
>
>
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