[R] R: expression

[Adaikalavan Ramasamy]

Something like this :

 x <- 0.5
 plot( 1:10, main=substitute( hat(Phi) ~ "=" ~ x, list(x=x) ) )

Also see http://tolstoy.newcastle.edu.au/R/help/04/09/3371.html

Regards, Adai



On Tue, 2005-07-19 at 13:35 +0200, Clark Allan wrote:
> hi all
> 
> i am having a problem with the expression/paste command
> 
> say we estimate a variable, named PHI
> 
> it contains the value of say 2
> 
> and we want to display this value as " hat(phi) = PHI" onto a graphic
> 
> i.e.	 " hat(phi)=2 "
> 
> how does one do this?
> 
> i've tried the following:
> 
> 1.	legend(-5,.3,expression(hat(phi)*"="*PHI))
> 
> 2.	legend(-5,.3,paste(expression(phi),"=",PHI))
> 
> but they do not work.
> 
> any help?
> 
> /
> allan
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