[R] plotmath problem

[David Winsemius]

> On Jan 1, 2016, at 6:10 PM, Fisher Dennis <fisher at plessthan.com> wrote:
> 
> R 3.2
> OS X
> 
> Colleagues,
> 
> This should be very simple but the solution eludes me.
> I have a polymath label for a graphic:
> 	bquote(AUC[0-infinity]~(ng/ml~x~hours))
> I would like the “x” to be replaced with a bullet.  

If by "bullet" you mean the mathematical symbol for multiplication, then it's just `%.%`

plot(1,1,xlab=bquote(AUC[0-infinity]~(ng/ml %.% hours))  )
> 
> Dennis
> 
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone: 1-866-PLessThan (1-866-753-7784)
> Fax: 1-866-PLessThan (1-866-753-7784)
> www.PLessThan.com
> 
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David Winsemius
Alameda, CA, USA