[R] prime in expression in plot

2007-01-10 Thread Thomas Steiner 
I want to write something like (LaTeX style)
b_{norm}=\frac{F\prime(0)}{R\prime(0)}

how do I add the prime (first derivative) to a R-plot? The help of
plotmath just talks about partialdiff. Can you complete this
command?

text( 30,0.05,labels=expression(b[plain(norm)]==frac(F(0),R(0))) )

Thanks,
Thomas

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Re: [R] prime in expression in plot

2007-01-10 Thread Thomas Steiner 
 how do I add the prime (first derivative) to a R-plot?

sorry for the noise, I found it myself:
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/20984.html
I use now (works fine)
plot(1,1,xlab=expression(frac(F'(0),R'(0))),xaxt=n)
Thomas

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Re: [R] prime in expression in plot

2007-01-10 Thread Prof Brian Ripley 
Two possibilities are ' (which is the usual way to write \prime in TeX) 
and minute (which is the nearest character in the Adobe symbol font that 
plotmath uses).  TeX has its own symbol fonts, and most R devices are 
based rather on the Adobe one.

On Wed, 10 Jan 2007, Thomas Steiner wrote:

 I want to write something like (LaTeX style)
 b_{norm}=\frac{F\prime(0)}{R\prime(0)}

 how do I add the prime (first derivative) to a R-plot? The help of
 plotmath just talks about partialdiff. Can you complete this
 command?

 text( 30,0.05,labels=expression(b[plain(norm)]==frac(F(0),R(0))) )

 Thanks,
 Thomas

-- 
Brian D. Ripley,  [EMAIL PROTECTED]
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel:  +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UKFax:  +44 1865 272595

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