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1answer
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Bayesian Network: Calculate probabillity of child node given all probabillity tables

I have a Question about Bayesian Networks. I have a network with many parent nodes and one child node. I have the probabilities for the parents and for the child. The child node is binary, so there ...
1
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0answers
68 views

Variational inference in the directed network in Airoldi's Mixed Membeship Stochastic Blockmodel

$\newcommand{\E}{\mathbb{E}}$I was dealing with derivations for the variational parameters in the model proposed by Airoldi, Blei, Fienberg, and Xing, 2008 for overlapping communities using a mixed-...
1
vote
1answer
2k views

How do I define the number of parameters needed to specify this Bayesian network?

If it is known that Bayesian network has one root node, one node with a single parent, two nodes with two parents and the remaining nodes with 3 parents, indicate how many parameters would be required ...
6
votes
1answer
4k views

Prediction with Bayesian networks in R

I've been trying to teach myself about Network Analysis, and I've been able to develop DAG charts in R. However, I've looked through three or four R packages and have seen little in the way to a ...
5
votes
2answers
103 views

Inference on random graph, with an application to mobile sensors

I've attended a course on Machine Learning and another one in Network Analysis, and I wonder if this two topics already intersect, in particular I'm interested in the following model: we have a ...
0
votes
1answer
214 views

Can an observed variable be the parent of a latent variable in a Bayesian network?

This may be a silly question, but I'm not seeing a clear answer in any of the usual sources. I'm preparing to build a Bayesian model to fit with BUGS/JAGS, currently working through the model logic ...