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Re: [igraph] computing community attributes

From: Gábor Csárdi
Subject: Re: [igraph] computing community attributes
Date: Sat, 18 Aug 2012 20:43:33 -0400

On Fri, Aug 17, 2012 at 4:34 PM, Sam Steingold <address@hidden> wrote:
> now, does a community "know" which graph it is coming from?
> (i.e., is there a way to extract "g" from "community.ml"?)
> apparently not, but I wonder why.

I am not sure why you wonder, because R functions (and most other
languages, too) usually work like this. eigen() and prcomp() results
do not contain the input matrix, kmeans() output does not contain the
input data, etc. There are some exceptions, of course, but usually the
input is not kept as part of the output.

I think this actually makes sense, why would you want to keep a
history of an object? It is a huge waste of memory and 99% of the time
it is not needed.



Gabor Csardi <address@hidden>     MTA KFKI RMKI

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