R help - Apr 2001 - Some loglog density plot

Dear all,

A looong time ago, Witold Eryk Wolski asked here why there wasn't a
log="xy" parameter to the hist() function
<URL:http://www.R-project.org/nocvs/mail/r-help/2001/0267.html>, and
Prof. Ripley responded that a loglog histogram does not make much sense,
and that one should use a better density estimate if one seeks to plot
log density.

I understand the point and I hope you will forgive my ignorance:
What alternatives do I have in R?
(In astronomy, which is full of power laws, loglog histograms are
not infrequently seen, I have resisted making them since this post, but it
is getting hard... :-) ).

Best,

Kjetil
-- 
Kjetil Kjernsmo
Graduate astronomy-student                    Problems worthy of attack
University of Oslo, Norway            Prove their worth by hitting back
E-mail: kjetikj at astro.uio.no                                - Piet Hein
Homepage <URL:http://www.astro.uio.no/~kjetikj/>
Webmaster at skepsis.no

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On Mon, 30 Apr 2001, Kjetil Kjernsmo wrote:
> Dear all,
>
> A looong time ago, Witold Eryk Wolski asked here why there wasn't a
> log="xy" parameter to the hist() function
> <URL:http://www.R-project.org/nocvs/mail/r-help/2001/0267.html>, and
> Prof. Ripley responded that a loglog histogram does not make much sense,
> and that one should use a better density estimate if one seeks to plot
> log density.
>
> I understand the point and I hope you will forgive my ignorance:
> What alternatives do I have in R?
Package logspline is a good start.
> (In astronomy, which is full of power laws, loglog histograms are
> not infrequently seen, I have resisted making them since this post, but it
> is getting hard... :-) ).
-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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