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Statistical Machine Learning Methods for Bioinformatics VII ...

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<strong>Learning</strong> BN from Gene Expression<br />

Data<br />

Measured expression level of<br />

each gene (discretized)<br />

Random variables<br />

Affecting on another<br />

Data + Prior In<strong>for</strong>mation<br />

Learn parameters (conditional probabilities) from data<br />

Learn structure (casual relation) from data<br />

Make inference given a learned BN model<br />

N. Friedman, 2005

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