# [R] Supperscript, subscript and double lines in the main/subtitle and using greekletters

Gerrit Eichner Gerrit.Eichner at math.uni-giessen.de
Tue Mar 27 15:39:00 CEST 2012

Hi, HJ,

see

?plotmath

Hth  --  Gerrit

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On Tue, 27 Mar 2012, HJ YAN wrote:

> Dear R-help,
>
> I am trying to express myself as best as I can here. If you also use Latex
> to edit math reports or other languages with similar editing method,
> you'll see what I'm talking about. My sincere appologies if my question is
> not clear enough to some extend, as also I'm not able to provide my code
> here because I dont know which one I can use...
>
> When editing the title in R plots, such as using 'plot', or 'xyplot' in
> 'lattic', what method do you use to write greek letters and make use of
> superscript and subscript, e.g. to write mathematical expressions like
> using Latex:
>
> \sigma^2
> \tau^{2s}
> \mu_i
> \pi_{2s}
>
> Also I would like to learn how to make two lines in the main title or sub
> title if the text I need it too long for putting in a single line, e.g. are
> there some R code/syntax allowing me to do something like in Latex to make
> two lines in the title, for example using '//' or '\\' to seperate the two
> parts of the text I want to put in two lines??
>
> I heard about using something like
>
> plot(x,y, main=expression(....))
>
> but from neither '?plot' or '?expression' could I find comprehensive
> information about what I need...
>
> Many thanks!
> HJ
>
> 	[[alternative HTML version deleted]]
>
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