[statnet_help] ERGMs for multilevel/multilayer networks

[Michał Bojanowski]

Dear Vsevolod,

Were you able to resolve your question? With constraints you should be
able to fix an arbitrary set of dyads. Am I reading correctly that you
have networks of 3 to 4 nodes?

Best wishes,
Michał

On Fri, Nov 18, 2022 at 9:58 PM Vsevolod Suschevskiy
<vvseva at u.northwestern.edu> wrote:

>

> Dear statnet-users,

>

> I am trying to study a set of networks of 3-4 agents of two types: humans and robots. Humans could have direct ties (enjoy working with j, j is useful) to other humans, or robots, while robots could not initiate ties. Humans and robots have different attributes.  Is there an obvious way to approach such a network?

>

> I am aware of Wang, P., Robins, G., Pattison, P., & Lazega, E. (2013). Exponential random graph models for multilevel networks. Social Networks, 35(1), 96-115. implementation in MPnet, but my network has ties only at the micro (human to human) and the meso (human to robot) levels, and the macro level ties are impossible.

>

> Currently, I am looking at ergm.multi, but I have not come up with a legal way to limit human-to-human ties at the first level and human-to-robot ties at the second level with constraints. My initial idea was to assign human attributes to robots randomly, but this seems to introduce too much noise to the data.

>

> Kind regards,

> Vsevolod Suschevskiy

> 1 year PhD student at Northwestern University

>

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