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Outline of Talk

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Leo Breiman (2001)

Statistical modeling:
the two cultures (with discussion).

Statistical Science 16, 199-231.


Discussants include Brad Efron and David Cox

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Crab Data

Figure 7: Contours of the fitted component densities on the 2nd & 3rd variates for the blue crab data set.

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Estimation of Mixture Distributions

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Number of Components
in a Mixture Model

Order of a Mixture Model

Likelihood Ratio Test Statistic

"We let"

Bootstrapping the LRTS

Bayesian Information Criterion

 Gap statistic (Tibshirani et al., 2001)



 Clest (Dudoit and Fridlyand, 2002)

Analysis of LEUKAEMIA Data
using EMMIX-GENE

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