[R] Help with expression

[David Scott]

Thanks. Exactly what I wanted.

As usual, I played around with all sorts of things to try and get the 
expression right, but never thought of as.name.

David Scott

On 25/01/2011 4:32 a.m., Charles C. Berry wrote:
> 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
>> 		 Auckland 1142,    NEW ZEALAND
>> Phone: +64 9 923 5055, or +64 9 373 7599 ext 85055
>> Email:	d.scott at auckland.ac.nz,  Fax: +64 9 373 7018
>>
>> Director of Consulting, Department of Statistics
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
> 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
>
>


-- 
_________________________________________________________________
David Scott	Department of Statistics
		The University of Auckland, PB 92019
		Auckland 1142,    NEW ZEALAND
Phone: +64 9 923 5055, or +64 9 373 7599 ext 85055
Email:	d.scott at auckland.ac.nz,  Fax: +64 9 373 7018

Director of Consulting, Department of Statistics