# [R] Text in Plots

**Friedrich Leisch
**
Friedrich.Leisch@ci.tuwien.ac.at

*Tue, 29 Jun 1999 17:31:40 +0200 (CEST)*

[ taken to r-devel ]
>>>>>* On Tue, 29 Jun 1999 11:51:21 +0100,
*>>>>>* Paul Murrell (PM) wrote:
*
PM> hi
PM> ---snip---
PM> Dear R-users,
PM> I have two problems:
PM> 1) In producing mathematical notation in plots I can not produce the
PM> italic version of greek symbols. That is
PM> mtext(text=expression(mu[i]))
PM> gives the same as
PM> mtext(text=expression(italic(mu[i])))
PM> Is this a bug or a specifity of my machine (R 0.63.2, Linux 2.0.36,
PM> i686)?
PM> 2) I would like to add x and ylabels in boxplots. Is there a way to
PM> do this? I tried:
PM> bxp(bpdata, xlab="Size Classes", ylab="Cash Flow")
PM> ---snip---
PM> 1) this is a "feature"; the only available fonts at present are plain,
PM> bold, italic, bolditalic, and symbol.
Hmm, are we sure that this is a "feature"? The most common use for
greek symbols is in equation and the most common word processor for R
users is (hopefully/probably/maybe) LaTeX ... and greek letters in
LaTeX equations are italic ... hence shouldn't we make them available
(if possible)?
But I must admit that I obviously didn't need it before ... :-)
.f
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