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From: | Dai Shizuka |
Subject: | [igraph] Re:Mean and Variance of Triad Census |
Date: | Thu, 9 Dec 2010 09:21:40 -0600 |
Message: 3
Date: Wed, 8 Dec 2010 13:13:01 +0100
From: G?bor Cs?rdi <address@hidden>
Subject: Re: [igraph] Mean and Variance of Triad Census
To: Help for igraph users <address@hidden>
Message-ID:
<AANLkTikVtwb14umFaUMYkwTzB+9nzqU=-address@hidden>
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Hi Dai,
this is not included in igraph. Can you point us to the paper in which
this methodology was published?
Thanks,
Gabor
On Tue, Dec 7, 2010 at 1:59 AM, Dai Shizuka <address@hidden> wrote:
> Hey folks,
>
> Is there an easy way to calculate the variance of the expected values of
> components in a triad census? I am trying to conduct some stats on structure
> based on the Davis-Leinhardt-Holland approach, using expected frequencies of
> different triad configurations based on a U|MAN distribution. I have figured
> out how to calculate mean (expected) triad frequencies of random graphs, but
> I am not sure about the variance of these values in order to calculate the
> test statistic, tau. I believe these functions were standard in PAJEK and
> UCINET, but I'd love to do this in R.
>
> Thanks,
> Dai
> ----------
> Daizaburo Shizuka
> Postdoctoral Scholar
> Ecology & Evolution
> University of Chicago
> 1101 East 57th Street, Chicago, IL 60637
>
>
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> igraph-help mailing list
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> http://lists.nongnu.org/mailman/listinfo/igraph-help
>
>
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