[R] combining expressions in mathplot

[Uwe Ligges]

On 09.06.2010 06:15, RICHARD M. HEIBERGER wrote:
> Is there a cleaner way of combining two expressions.
>
> This example works and gives what I want
>
> plot(1:10)
> aa<- expression(alpha==.05)
> bb<- expression(beta ==.80)
> aabb<- expression(alpha==.05 ~ ", " ~ beta ==.80)
>
> text(5, 10, aa)
> text(5,  9, bb)
> text(5,  8, aabb)
>
> text(5,1, parse(text=paste(deparse(aa[[1]]), deparse(bb[[1]]), sep="~")))

text(5, 1, substitute(a ~ b, list(a=aa[[1]], b=bb[[1]])))


> text(5,2, parse(text=paste(deparse(aa[[1]]), deparse(bb[[1]]), sep="~',
> '~")))

text(5, 1, substitute(a ~"'"~ b, list(a=aa[[1]], b=bb[[1]])))

Uwe




> Is there a cleaner way of combining the expressions aa and bb  to get the
> effect of the last two lines?
>
> 	[[alternative HTML version deleted]]
>
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