[R] Mathematical expressions in the group labels in lattice
dwinsemius at comcast.net
Tue Sep 13 15:44:21 CEST 2011
On Sep 13, 2011, at 9:30 AM, David Winsemius wrote:
> On Sep 13, 2011, at 8:30 AM, Timo Schmid wrote:
>> I am working with the lattice package and I want to label to groups
>> in the xyplots with mathematical expressions.
>> I short example for this
>> This results in two scatter plots with label "1" and "2". I would
>> like to substitute this labels by math expression. I used the
>> following code
>> levels(Case) <- c(expression(R^2),expression(sigma_[i]))
>> But the label did not change to mathematical expressions. Any ideas?
> You should be looking at the strip.custom function. It has worked
The worked examples only illustrate a few of the arguments. The
factor.levels argument is probably what you wanted:
strip=strip.custom(factor.levels= c( expression(R^2),
>> Thank you very much for your help.
> David Winsemius, MD
> West Hartford, CT
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
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