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Re: [igraph] python betweenness and closeness normalization

From: David Robinson
Subject: Re: [igraph] python betweenness and closeness normalization
Date: Thu, 12 Dec 2013 14:28:13 -0800 (PST)

I took your advice and checked by trying something (e.g. a star graph) in both R and Python. The defaults are different for each version of igraph.  It appears that in python the closeness has default normalized=TRUE , while betweenness has default normalized=FALSE.   In R, the defaults are both normalized=FALSE.  

On Thursday, December 12, 2013 9:39:07 AM UTC-7, David Robinson wrote:
Gabor, Thanks for the quick response! I had looked at the Reference Manuals before asking, but I've mis-interpreted the RM in the past and wanted to make sure.  

Thanks again.

On Thursday, December 12, 2013 9:28:24 AM UTC-7, Gábor Csárdi wrote:
On Thu, Dec 12, 2013 at 11:11 AM, David Robinson <address@hidden> wrote:
> In the R version of igraph there are flags for turning on/off normalization
> of both betweenness and closeness. Are such options available in the python
> version of igraph?


Apparently not, in the current version. closeness will have this
option in the next version.

> The R default values for normalization appears to be FALSE (no
> normalization) for both metrics.  Is the default normalization for the
> python metrics also FALSE?

I am fairly sure that it is, because it just called the C layer which
has no normalization. But you can just try it, actually.


> Thanks!
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