Author Topic: What does P(e) stands for and How does Hugin calculates it?  (Read 1896 times)

Offline utkarshani

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What does P(e) stands for and How does Hugin calculates it?
« on: February 26, 2020, 19:27:07 »
What does P(e) stand for and How does Hugin calculate it?

Offline Anders L Madsen

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Re: What does P(e) stands for and How does Hugin calculates it?
« Reply #1 on: February 26, 2020, 19:31:21 »
P(e) is the probability of the evidence. E.g., if you have entered X=x and Y=y (assuming discrete nodes), then P(e)=P(X=x,Y=y).

It is calculated as the normalization constant after propagation of evidence in the junction tree.

Anders
« Last Edit: February 27, 2020, 20:18:28 by Anders L Madsen »
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Offline utkarshani

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Re: What does P(e) stands for and How does Hugin calculates it?
« Reply #2 on: February 26, 2020, 22:38:55 »
Thank you