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What are the real challenges in data mining?

What are the real challenges in data mining?. Charles Elkan University of California, San Diego August 21, 2003. Bogosity about learning with unbalanced data . The goal is yes/no classification. No: ranking, or probability estimation Often, P(c=minority|x) < 0.5 for all examples x

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337 views • 21 slides

Bayesian Networks

Bayesian Networks. What is the likelihood of X given evidence E? i.e. P(X|E) = ?. Issues. Representational Power allows for unknown, uncertain information Inference Question: What is Probability of X if E is true. Processing: in general, exponential Acquisition or Learning

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306 views • 16 slides

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Correct probabilities - PowerPoint PPT Presentation

What are the real challenges in data mining?

Bayesian Networks