Question: A Naive Bayes text classifier has to decide whether the document 'Lahore Peshawar' is about Pakistan (class Pakistan) or about England (class England). a)

A Naive Bayes text classifier has to decide whether the document 'Lahore Peshawar' is about Pakistan (class Pakistan) or about England (class England). a) Estimate the probabilities that are needed for this decision from the following document collection using Maximum Likelihood estimation (no smoothing). Doc. No. 1 2 3 4 5 Class Lahore Karachi Pakistan Faisalabad London Peshawar England Lahore Rawalpindi Pakistan Faisalabad Peshawar Multan Pakistan Document Please turn over Continued from Overleaf London Bristol Lahore England Page 3 of 4

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To estimate the probabilities needed for the Naive Bayes text classifier using Maximum Likelihood estimation you need to calculate the following probabilities 1 Prior Probability for each class PPakis... View full answer

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