[R] Labelling R plots using Greek letters

[David Winsemius]

On Dec 11, 2011, at 6:38 PM, john james wrote:

> Dear R Users,
>
>
> Please I have the following query. I want to label  one of the axes  
> of my graph with the follwing latex expression- \beta^{\prime}x, i.e  
> I have the transpose of beta. How do I go abt this.
>
> My second query is similar but it has to do with the conditioning  
> symbol. The other axis is to be labelled as Y|X + \beta^{\prime}x.

?plotmath

plot(1,1, xlab=expression(beta^"`"*X), ylab=expression(Y*"|"*X 
+beta^"`"*X) )

(Unfortunately the prime on the y lab is noe on the printed page in my  
device ( mac). so this hack seems to work better)

plot(1,1, xlab=expression(beta^"'"*X),  
ylab=expression(over(phantom(""), Y*"|"*X+beta^"'"*X) ))

>
>
> Thank you very much as I await assistance on this.
>
> John
>
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>
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David Winsemius, MD
West Hartford, CT