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HPMs vs. DBNs

HPMs vs. DBNs. What we know . HPMs can be expressed as DBNs. HPMs and their equivalent DBNs have the same number of free parameters. HPMs have a more “elegant” representation than their equivalent DBNs. What we will find out. The big questions:

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HPMs vs. DBNs

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  1. HPMs vs. DBNs

  2. What we know • HPMs can be expressed as DBNs. • HPMs and their equivalent DBNs have the same number of free parameters. • HPMs have a more “elegant” representation than their equivalent DBNs.

  3. What we will find out • The big questions: • In what way, and in what situations do HPMs have an advantage over DBNs? • What extensions to HPMs would be valuable in these situations? • The current questions: • Are HPMs faster than DBNs? • Are HPMs more accurate than DBNs?

  4. How? • Measure speed and accuracy for: • HPMs on synthetic brainlex data • Have preliminary results • HPMs on real brainlex data • In progress • DBNs on synthetic brainlex data • Plan to use Bayes Net Toolbox for Matlab • DBNs on real brainlex data • Plan to use Bayes Net Toolbox for Matlab

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