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What is a Bayesian network?

Norman Fenton 42 views

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Hello Norman, I very much enjoyed this video and helped me a lot with the comprehension of Bayesian networks Unfortunately I ended up still with some questions I can't figure out:brbr1-, what would be the exact function of the green box given this case? The thing is that I cannot seem to find a reason for it's existence in this graph and I'd like to know if it influences any of the other nodes probabilitiesbrbr2- So in this graph the nodes could reversibly have an effect on the parent nodes? the way I had investigated is that the edges(arrows) visually demonstrate which "parent nodes" have a direct influence on other nodes, however, looking at this example, I can see that this influence can be done in a reversed order, for example, when checking the Dyspnoea or the Positive X-ray nodes, having an effect on the "diagnosis" nodes Does this happen in all graphs? is it because of the green rectangle? hahahabrbrThanks in advance for anyone who takes their time to responding my questions! :)
Comment from : @CristianGarcía-u4r

Query: Does AgenaRisk use Gibbs sampling for its bayesian network solve?
Comment from : @hannahnelson4569

Helpful, but what is up with the green box? Why is it there when there are separate boxes with cancer and tuberculosis?
Comment from : @new2this533

Thank you I was looking for exactly such a video, and surprisingly it took a few video tries to find it :)
Comment from : @emirhansimsek9455

I'll think two times an Asian trip 😅
Comment from : @blondisbarrios7454

interesting but not at all informative
Comment from : @drmerlot1532

What software was used in the video?
Comment from : @chrisminnoy3637

Super helpful presentation!
Comment from : @kevon217

What is the best python package for doing this?
Comment from : @DailyProg

Which software can I download to run BN ? I really need to analyze human reliability assessment in maritime
Comment from : @BEFOUND

So well explained and absolutly facinating Is this used in criminal investigations as well, just to mention one other potential domain that comes to mind?
Comment from : @davidwensboposaric5498

Excellent presentation Very few people, if any, have a good intuitive feel for conditional probabilities
Comment from : @misterdubity3073

And the funny truth is that tuberculosis is not caused by getting infected by bacteria but by conditions that cause lung damage which leads to bacteria populating the lungs TERRAIN THEORY FOLLOWS OCCAM'S RAZOR
Comment from : @skynet4496