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DEAL: Learning Bayesian Networks in R

DEAL: Learning Bayesian Networks in R. Susanne G. Bøttcher Claus Dethlefsen Aalborg University and Novo Nordisk A/S. The DEAL Team. Susanne G. Bøttcher (alma@math.auc.dk) Soon to finish Ph.D. Supervisor: Steffen Lauritzen

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DEAL: Learning Bayesian Networks in R

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  1. DEAL: Learning Bayesian Networks in R Susanne G. BøttcherClaus Dethlefsen Aalborg University and Novo Nordisk A/S

  2. The DEAL Team • Susanne G. Bøttcher (alma@math.auc.dk)Soon to finish Ph.D. Supervisor: Steffen Lauritzen • Claus Dethlefsen (dethlef@math.auc.dk)Recent Ph.D. within state space models. Supervisor: Søren Lundbye-Christensen • Both supported by Novo Nordisk A/SAugust 2001-August 2003

  3. History of DEAL • 1997-2002 Susanne’s Ph.D.: Development of theory • 2000-2001Preliminary software in S-Plus (Susanne) • Nov/Dec 2001: Prototype of DEAL (Susanne/Claus) • Aug 2002: DEAL is released (Susanne/Claus)

  4. What can DEAL do for us?

  5. Bayesian Networks for Mixed Variables

  6. Conditional Gaussian Distribution

  7. Parameter and Structure Learning

  8. Development • Latent variables, missing observations • Interface to eg. Hugin or Grappa • Improvement on search strategies • Graphical interface • Applications in Diabetes research

  9. Download • www.math.auc.dk/novo/deal

  10. Demonstration

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