Hybrid model program

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charlie
Posts: 60
Joined: Wed Aug 09, 2017 10:55 pm

Hybrid model program

Post by charlie » Tue Jan 29, 2019 5:11 am

Hi administrator

I tried to add an equation node in a network and got an error message:

"Error (-2): UpdateBeliefs failed.
Unable to handle hybrid netoworks in influence diagram.
Error (-2): UpdateBeleifs fails."

However if I isolate (copy) the equation node and its chance parent node as a new network, it works fine. Could you please enlighten me what happened and how to resolve it?

Many thanks.

Charlie

charlie
Posts: 60
Joined: Wed Aug 09, 2017 10:55 pm

Re: Hybrid model program

Post by charlie » Tue Jan 29, 2019 5:22 am

I figured out - hybrid doesn't work for influence diagram for some reason I don't understand. That is to say the network cannot contain any decision and value node. But why?

Charlie

shooltz[BayesFusion]
Site Admin
Posts: 1181
Joined: Mon Nov 26, 2007 5:51 pm

Re: Hybrid model program

Post by shooltz[BayesFusion] » Tue Jan 29, 2019 7:11 pm

That is to say the network cannot contain any decision and value node.
At this point we don't support the equation nodes in influence diagrams - it would require relatively large amount of work. Note that you can use expressions in MAU utility nodes, including expressions conditioned by decision parents.

PS: please check your private messages.

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