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COMP2420/COMP6420 - 2020 Sample - Question 3: Regression and Machine Learning

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Question 3: Data Analysis & Regression [25 Marks]

b) Regression and Machine Learning [14 Marks]

  1. What is the F1 score metric? What does this metric tell us about a classification model?[3 marks]
  1. What is the difference between a Machine Learning Metric and a Loss Function? Are they interchangeable?[4 marks]
  1. What are the Hyperparameters in a K-Nearest Neighbour Classifier? Explain how they can influence the performance of a model.[4 marks]
  1. Is Polynomial Regression considered a method of Linear Regression? Justify your answer with an example.

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