[R] How to use a reserved word in italics in an expression

[Michael Kubovy]

Delightfully straightforward! Thanks.

On Feb 16, 2008, at 5:15 PM, Duncan Murdoch wrote:

> On 16/02/2008 4:51 PM, Michael Kubovy wrote:
>> Dear R-helpers,
>> > label2 <- expression(paste(italic(attraction function:), 'slope'))
>> Error: unexpected 'function' in "label2 <-   
>> expression(paste(italic(attraction function"
>> How do I tell R that in this case I don't want 'function' to be   
>> treated as a reserved word but as a string in italics?
>
> Just put it in quotes.  In fact, I think italic("attraction") looks  
> better than italic(attraction), so you may want to do this more  
> generally.
>
> For example,
>
> plot(1, main=expression(paste(italic("attraction function: "),  
> "slope")))
>
> Duncan Murdoch

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