[R] plotting a distribution curves

[Hotz, T.]

> -----Original Message-----
> From: Petr Pikal [mailto:petr.pikal at precheza.cz]
> Sent: 03 September 2003 13:57
> To: rajarshi at presidency.com
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] plotting a distribution curves
> 
> 
> Hallo
> 
> On 1 Sep 2003 at 16:25, Rajarshi Guha wrote:
> 
> > Hi,
> >   is there a way to plot distribution curves (say normal or chi sq
> >   etc)
> > from within R?
> > 
> > For example I looked up the *chisq family of functions but I'm not
> > sure as to how I would use them to generate a plot of the chi sq
> > distribution (for arbitrary d.o.f).
> 
> Something like that
> 
> plot(seq(-3,3,.1),dnorm(seq(-3,3,.1)),type="l")
> plot(seq(0,20,.1),dchisq(seq(0,20,.1),5),type="l")

Or using curve (see ?curve)

curve(dnorm(x,1,2),-4,6)
curve(dchisq(x,5),0,20)

HTH

Thomas

> 
> 
> > 
> > Thanks,
> > 
> > -------------------------------------------------------------------
> > Rajarshi Guha <rajarshi at presidency.com> <http://jijo.cjb.net> GPG
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> 
> Cheers
> Petr Pikal
> petr.pikal at precheza.cz
> 
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---

Thomas Hotz
Research Associate in Medical Statistics
University of Leicester
United Kingdom

Department of Epidemiology and Public Health
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Tel +44 116 252-5410
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Division of Medicine for the Elderly
Department of Medicine
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