GeNIe:Hybrid Models Heat Equations Autodiscretized Hybrid example

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amar_nath
Posts: 2
Joined: Mon Nov 15, 2021 12:50 pm

GeNIe:Hybrid Models Heat Equations Autodiscretized Hybrid example

Post by amar_nath »

Hi,
I am trying to understand the output in Temperature Air outside node .
Toa=Choose(Season,Normal(10,5),Normal(25,5),Normal(10,5),Normal(0,5))
https://youtu.be/dyg7RFQhPTw?t=290

Toa=Choose(Season,Normal(10,5),Normal(25,5),Normal(10,5),Normal(0,5))
Question 1 : Does the above equation mean, depending on the Season variable choose form corrosponding Normal? i.e Spring =100% the first Normal(10,5) etc , if season = Summer =100% then second normal = Normal (25,5)? if then what does it do when each is set to 25%?

Question 2: When I set any attribute in the Season node to 100% why does it always return -2.5( For example spring 100% or Summer or Fall anyone) ?
Please find the screenshot attached
Attachments
Trying to understand the output of Node Outside Air Temperature
Trying to understand the output of Node Outside Air Temperature
Toa_equation_question.png (170.23 KiB) Viewed 45 times
marek [BayesFusion]
Site Admin
Posts: 340
Joined: Tue Dec 11, 2007 4:24 pm

Re: GeNIe:Hybrid Models Heat Equations Autodiscretized Hybrid example

Post by marek [BayesFusion] »

Hi,

I will be happy to help. When the Season is not observed, you get a mixture of Gaussians in the node Outside Air Temperature, weighted by the probabilities of the four seasons.

I can see in the picture that you must have observed a value -2.5 in the node Outside Air Temperature (there is a grounding symbol in that node). Please release that observation and you will get the marginal distribution displayed in the node.

I hope this helps,

Marek
amar_nath
Posts: 2
Joined: Mon Nov 15, 2021 12:50 pm

Re: GeNIe:Hybrid Models Heat Equations Autodiscretized Hybrid example

Post by amar_nath »

Thanks, Marek the answer helps a lot.
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