[R] Help with expression

[Charles C. Berry]

On Tue, 25 Jan 2011, David Scott wrote:

> I have a problem with expressions. I am trying to create a title where the 
> parameter of interest is displayed as a Greek character. Which parameter is 
> being considered is stored in a character variable.
>
> As an example, if I have
>
> param <- "alpha"

param <- as.name("alpha")


HTH,

Chuck
>
> and then do
>
> plot(0, 0, main = bquote(Parameter==.(param)))
>
> then in the title I get "Parameter = alpha",
> whereas I want the Greek character alpha.
>
> David Scott
>
>
> -- 
> _________________________________________________________________
> David Scott	Department of Statistics
> 		 The University of Auckland, PB 92019
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>
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Charles C. Berry                            Dept of Family/Preventive Medicine
cberry at tajo.ucsd.edu			    UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901