COMPUTER SCIENCE & IT EXAM ASSIGNMENT/ HOMEWORK

COMPUTER SCIENCE & IT EXAM
a)   Use the following dataset that describes two categorical input variables and a class variable that has two outputs to answer the questions that follow. Use Naïve Bayes Algorithm
Person Time Class
Male Day Excited
Female Night Excited
Male Day Excited
Male Day Excited
Male Day Excited
Female Night Not-excited
Female Night Not-excited
Male Day Not-excited
Male Night Not-excited
Female Night Not-excited
i)    Compute the class probabilities                                              [4 marks]

ii)  Compute the conditional probabilities                                   [12 marks]

iii) Make predictions                                                                    [9 marks]

 

b)   Using the following sample dataset with a contrived 3 decision trees and split points,
demonstrate how to make predictions using Bagged Decision Trees       [25 marks]

 

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