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

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Presentation transcript:

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

The DEAL Team Susanne G. Bøttcher Soon to finish Ph.D. Supervisor: Steffen Lauritzen Claus Dethlefsen Recent Ph.D. within state space models. Supervisor: Søren Lundbye-Christensen Both supported by Novo Nordisk A/S August 2001-August 2003

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

What can DEAL do for us?

Bayesian Networks for Mixed Variables

Conditional Gaussian Distribution

Parameter and Structure Learning

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

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Demonstration