Most determinant nodes

The front end.
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liid
Posts: 15
Joined: Tue Jun 19, 2018 5:19 am

Most determinant nodes

Post by liid » Sat Jun 22, 2019 12:51 pm

Hi,

Is there an option (GeNIe or smile) to understand what are the most determinant factors/nodes of my BN? and to somehow quantify the size of the effect they generate?

Thanks!

manman
Posts: 7
Joined: Mon Jun 17, 2019 7:07 am

Re: Most determinant nodes

Post by manman » Sat Jun 22, 2019 2:39 pm

What about trying to use the strength of influence?

liid
Posts: 15
Joined: Tue Jun 19, 2018 5:19 am

Re: Most determinant nodes

Post by liid » Sat Jun 22, 2019 10:40 pm

Thanks for the suggestion, but strength of influence does not capture what I need (that is, understand the most influential variables on my target node, and somehow quantify this influence).

shooltz[BayesFusion]
Site Admin
Posts: 1187
Joined: Mon Nov 26, 2007 5:51 pm

Re: Most determinant nodes

Post by shooltz[BayesFusion] » Mon Jun 24, 2019 1:56 pm

You can consider using sensitivity analysis. It will give you the measure of the influence of each parameter of the network on the posterior probability of the selected target node and its outcome.

manman
Posts: 7
Joined: Mon Jun 17, 2019 7:07 am

Re: Most determinant nodes

Post by manman » Tue Jun 25, 2019 9:49 am

I think the suggestions of sensitivity analysis is the correct choice.

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