[R] Greek in text()

[Sundar Dorai-Raj]

Try this instead:

text(x=.05,y=.5,labels=substitute(rho*r,list(r=0.77)))

or, to print "rho=0.77":

text(x=.05,y=.5,labels=substitute(rho==r,list(r=0.77)))


Look at ?plotmath for more help.

Sundar

Bill Simpson wrote:
> 
> I have gone over the examples and can't figure this out:
> rho<-.77
> text(x=.05,y=.5,paste(expression(rho),rho))
> 
> I was hoping to get this to print a Greek rho with 0.77 beside it.
> Instead I get: rho 0.77 (i.e. Roman lettering)
> The help on expression() is quite opaque so I don't understand how it
> works.
> 
> Thanks for any help.
> 
> Bill Simpson
> 
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-- 

Sundar Dorai-Raj, Ph.D.
Statistical Methods Engineer
PDF Solutions, Inc.
(972) 889-3085 x216
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