[R] expression of '>='

[Paul Murrell]

Hi


> I have a question about how to print '>=' on label, I tried expression(ge)
> but it wouldn't help. Any suggestions are appreciated!


You just need to put the '>=' inside an expression.  For example, try ...

    plot(1, type="n")
    text(1,1,expression(x >= y))

More generally, the command 'example(plotmath)' produces several tables of
the commands required to produce the possible sorts of mathematical
annotation (it is important to type 'par(ask=T)' first so that you can pause
on each table).  The mathematical annotation facilities are also described
in a recent journal article ...

    Murrell, P. and Ihaka, R. (2000) An approach to providing
     mathematical annotation in plots. Journal of Computational and
     Graphical Statistics, 9, 582-599.

Hope that helps :)

Paul


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