[R] Writing Text into Plots

Duncan Murdoch
2006-10-05T20:56:04Z

On 10/5/2006 4:10 PM, Lothar Botelho-Machado wrote:
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> Hello,
>
>
> I have a simple question on the text() method in plots, e.g.:
>
> text(3,4,adj=1,cex=1.0, expression(alpha == beta))
>
> I know there exists a lot more like frac(), etc which could be used for
> expression. But a help(frac) doesn't return any results - where do I
> have to look for a documentation of possible text commands?
>
> More in detail I'm searching for how to set an index like mu_{1} and
> mu_{2} ? And how to get something like a bar over a character like \bar x ?

See ?plotmath, and demo(plotmath).

Duncan Murdoch