Boosting Density Estimation

Several authors have suggested viewing boosting as a gradient descent search for a good fit in function space. We apply gradient-based boosting methodology to the unsupervised learning problem of density estimation. We show convergence properties of the algorithm and prove that a strength of weak learnability prop- erty applies to this problem as well. We illustrate the potential of this approach through experiments with boosting Bayesian networks to learn density models.

Authors

• Saharon Rosset
• Eran Segal

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