Bayesian network by WEKA using BayesNet classifier

[Mohamad El Abed]

Hello everyone,

I have a question concerning Bayesian networks using BayesNet
classifier. After reading some papers, i found that on a given data set
we obtain only one bayesian network. From Weka, by modifying the "class
variable"  i found different bayesian networks.
Can anyone help me plz to explain for me that? so it mean, we have for
each "class variable" a bayesian network. In that case, we say the
bayesain network for a specified variable?

Thanks in advance



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