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Author Topic: Is it possible to limit the number of arrows...?  (Read 10654 times)

Offline AleGreppi

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Is it possible to limit the number of arrows...?
« on: November 17, 2015, 10:45:00 »
Hi,

I am trying to find a way with Hugin to limit the number of arrows directed towards a node or originated from a node.

At the moment I can't find any indication in this sense but I would like to be sure of that.

Thanks

Alessandro

« Last Edit: November 17, 2015, 11:03:27 by AleGreppi »
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Offline Frank Jensen

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Re: Is it possible to limit the number of arrows...?
« Reply #1 on: November 18, 2015, 19:18:45 »
There are no limits on the numbers of parents and children.

What is the reason for this question?  Is it related to structure learning?
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Offline AleGreppi

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Re: Is it possible to limit the number of arrows...?
« Reply #2 on: November 19, 2015, 10:14:12 »
Thank you for the reply.

I was just wondering if during the structure learning process it was possible to simplify the BN by introducing a constraint in order to reduce the number of arrows connecting the nodes.
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Offline Anders L Madsen

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Re: Is it possible to limit the number of arrows...?
« Reply #3 on: November 21, 2015, 14:01:49 »
It is possible to specify a limit on the number of parents for the greedy search-and-score structure learning algorithm.

Alternatively, you can consider using structure restricted models such as, e.g., the tree-augmented naive Bayes model.
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