probability-L6

probability-L6 - ProbabilityandInformation Abriefreview

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Probability and Information A brief review
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04/08/10 CSE 572: Data Mining  by H. Liu 2 Probability Probability provides a way of summarizing  uncertainty that comes from our laziness and  ignorance! Probability, belief of the truth of a sentence 1 - true, 0 - false, 0<P<1 - intermediate degrees  of belief in the truth of the sentence Degree of truth (fuzzy logic) vs. degree of  belief
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04/08/10 CSE 572: Data Mining  by H. Liu 3 All probability statements must indicate  the evidence with respect to which the  probability is being assessed. Prior or unconditional probability Posterior or conditional probability
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04/08/10 CSE 572: Data Mining  by H. Liu 4 Basic probability notation Prior probability Proposition - P(Sunny) Random variable - P(Weather=Sunny) Each Random Variable has a domain Probability distribution 
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probability-L6 - ProbabilityandInformation Abriefreview

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