[R] Misplacement of Greek letter

[Uwe Ligges]

Newlines are not supported within expressions for mathematical notation. 
See ?lotmath

Best,
Uwe Ligges



On 11.06.2010 07:36, beloitstudent wrote:
>
> Hello.
>
> I am trying to get my axis label to read as follows
>
> (The symbol) Delta AUC blah blah...
> then below it...(some other text)
>
> The problem is the Delta symbol shows up beside the "(some other text)"
> rather than the "AUC".  Does any one know how I can get the Delta to remain
> beside AUC?
>
> Here is the actual command should you care to look at it.
>
> par(mar=c(8,8,4,4))
> par(adj=.5)
> par(font.lab=2)
>
> barplot(c(5724.688,7290.7875), ylab=expression(paste(Delta,"AUC 45-200 min
> \n(μg/ml * 155 min)"), xlim=c(0,1), width=0.16,
> border="black",font.lab=2,cex.lab=2.1,cex.names=2, names.arg=c("Saline
> \n(n=8)", "Exendin\n(9-39) (n=8)"),mgp=c(3,4,0), axisnames=TRUE,
> ylim=c(0,10000), col=c('grey88','grey71'), axes=FALSE, lwd=2, space=.5)
>
> axis(2, at=c("0", "2000",  "6000","10000"), lwd=2, font=1.7,
> pos=-.025,cex.axis=2)
>
> abline(h=0, untf=FALSE, lty=1, lwd=2)
>
> arrows(.4, 8297.291, .4, 6284.284, code=3, angle=90, lwd=2)
> arrows(.16,7071.79,.16,4377.585, code=3, angle=90, lwd=2)
>
> Thanks all!