[R] Greek character and R

[William Dunlap]

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com  

> -----Original Message-----
> From: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] On Behalf Of Duncan Murdoch
> Sent: Thursday, March 03, 2011 7:30 AM
> To: Filoche
> Cc: r-help at r-project.org
> Subject: Re: [R] Greek character and R
> 
> On 11-03-03 8:15 AM, Filoche wrote:
> > Dear R users.
> >
> > In a loop, I set the title of my graph with :
> >
> > 	mytitle = expression(paste(delta^13,'C Station ', i)
> > 	title(mytitle)
> >
> > However, instead of using value of i, it will literally use 
> "i" character.
> >
> > Any one know the way to concatenate the value of i to the 
> mathematical
> > expression?
> >
> 
> Use
> 
> mytitle <- substitute(paste(delta^13,'C Station ', ival),
list(ival=i))

Or use bquote():
  mytitle <- bquote(paste(delta^13,'C Station ', .(i)))

Note that the original could not have worked since 'i' and 'delta'
appeared in the same manner and you only wanted i replaced by it
value.

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com 

> 
> Duncan Murdoch
> 
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