[R] ggplot2: expression() in legend labels?

Hadley Wickham hadley at rice.edu
Tue Oct 4 17:10:56 CEST 2011


You need to set the labels...

Hadley

On Sat, Sep 24, 2011 at 3:49 AM, Casper Ti. Vector
<caspervector at gmail.com> wrote:
> Is there any way to use expression() in legend labels with ggplot2?
>
> It seems that things like
>> scale_shape_manual(value = c(
>>   x = expression(italic(x)),
>>   y = expression(italic(y))
>> ))
> don't work.
>
> Thanks very much :)
>
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-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/



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