Question: Explain the difference between P(relDi) and P(Direl). In the light of the Probability Ranking Principle, which of the two probabilities is of interest? Here is

Explain the difference between P(relDi) and P(Direl). In the light of

Explain the difference between P(relDi) and P(Direl). In the light of the Probability Ranking Principle, which of the two probabilities is of interest? Here is a set of documents containing the word cat as well as corresponding conditional probabilities: For document D1 only, calculate logP(Dinrel)P(Direl),P(relDi)/P(nnelDi) and P(relDi) assuming P( rel )=0.4. Calculate the logarithm in base 2, but explain the role that the base of the logarithm plays in the context of the Probability Ranking Principle. Tips. There is a formula in the online article on probabilistic models that is very useful for this problem. Be sure to read everything. Calculate P(relDi)aftercalculatingP(relDi)/P(nrelDi)

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