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Dear Niels and others,

Analysing & generating networks with given in-degrees and given
out-degrees (which is close to what you are interested in) was treated
in Snijders, T.A.B., Enumeration and simulation methods for 0-1
matrices with given marginals. Psychometrika, 56 (1991), 397-417. The
associated computer program ZO can be downloaded from my web
site, see
<http://stat.gamma.rug.nl/snijders/socnet.htm>.

Cheerio,

Tom


On 20 Jul 01, at 17:37,  you  <Weigelt Niels <[log in to unmask]>> wrote:

From:                   Weigelt Niels <[log in to unmask]>
Subject:                generating social networks with predefined heterogeneity
To:                     [log in to unmask]

> Dear SOCNET members,
> I'm currently working on a computational model simulating attitude
> formation of agents facing voting campaigns and mass media input. As a next
> step, I plan to extent the model by embedding the agents into a social
> environment.
>
> I've the following question:
>
> - Does anybody know about software or algorithms capable of generating
> networks matching
>         - some predefined average size of ego-centric networks
>
> simultaneously matching
>         - some predefined neighbour heterogeneity within ego-centric networks ?
>
> Thanks for reply in advance.
> Niels Weigelt
>
>
> -----------------------------------------------------
> Niels Weigelt
> Department of Systems Analysis, Integrated Assessment
> and Modelling (SIAM)
> Swiss Federal Institute for Environmental Science
> and Technology (EAWAG)
> P.O.Box 611
> 8600 Dübendorf
> Switzerland
>
> e-mail:  [log in to unmask]
> phone:   +41 1 823 5589
> website of SIAM:
> http://www.eawag.ch/research/siam/d_index.html
> -----------------------------------------------------


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Tom A.B. Snijders
ICS
Dept. of Statistics, Measurement Theory, and Information Technology
University of Groningen
Grote Kruisstraat 2/1
9712 TS Groningen
The Netherlands

Fax  +31 - (0)50 - 3636304
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E-mail     [log in to unmask]
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