From antonio.fabio at gmail.com  Sat Jul  5 10:06:52 2008
From: antonio.fabio at gmail.com (Antonio, Fabio Di Narzo)
Date: Sat, 5 Jul 2008 10:06:52 +0200
Subject: [Rd] Interface between fractal geometry and statistics
In-Reply-To: <loom.20080704T202007-483@post.gmane.org>
References: <loom.20080704T202007-483@post.gmane.org>
Message-ID: <b0808fdc0807050106g1dad3b3dt33c731e33e262b94@mail.gmail.com>

2008/7/4 Ted <r.ted.byers at gmail.com>:
> Are there any packages that help with statistical analysis in situations where
> fractal geometry is relevant?  Perhaps something that supports computation of
> fractal related statistics, such as the Hurst exponent or fractal dimension?
tseriesChaos has functions for estimating correlation dimension on an
observed (long) time series.

> Or perhaps which support obvious tasks such as taking samples from a dataset
> at different levels of granularity (such as sampling spatial data at cm, m, km
> spatial resolution, or sampling daily time series at weekly, monthly, quaterly
> or annual resolution)?
For time series, look for 'aggregate'.

f.

>
> Thanks
>
> Ted
>
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>



-- 
Antonio, Fabio Di Narzo
Ph.D. student at
Department of Statistical Sciences
University of Bologna, Italy



[Rd] Interface between fractal geometry and statistics
Antonio, Fabio Di Narzo