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Re: [igraph] average local transitivity


From: Gábor Csárdi
Subject: Re: [igraph] average local transitivity
Date: Sat, 27 Oct 2018 08:42:13 +0100

Please provide a reproducible example.

Gabor
On Sat, Oct 27, 2018 at 7:13 AM Raigo Aljand <address@hidden> wrote:
>
> Hello,
>
> I have a simple question. I looked at the archives, but it doesn't seem
> anyone has asked this nor does it seem to be written in the documentation.
>
> Why do these two give me different results?
>
> transitivity(graph, type = "average")
> 0.3772343
> mean(transitivity(graph, type = "local"), na.rm = TRUE))
> 0.2014909
>
> I understand the difference between global and local transitivity and
> what I read from the internet type="average" should give me the average
> local transitivity. Then why does the igraph average give me a different
> result from when I calculate the average with R. What is also strange is
> that type="average" is either no longer or has never been documented in
> the official documentation.
>
> If it helps, my graph is directed, but as I understand it, igraph
> ignores the direction of the edges.
>
> My version of igraph is Ubuntu 18.04 package r-cran-igraph with version
> 1.1.2 and R is from the package r-base with version 3.4.4
>
> Thank you for your help.
>
>
>
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