Question 3: Data Analysis & Regression [25 Marks]
b) Regression and Machine Learning [14 Marks]
- What is the F1 score metric? What does this metric tell us about a classification model?[3 marks]
- What is the difference between a Machine Learning Metric and a Loss Function? Are they interchangeable?[4 marks]
- What are the Hyperparameters in a K-Nearest Neighbour Classifier? Explain how they can influence the performance of a model.[4 marks]
- Is Polynomial Regression considered a method of Linear Regression? Justify your answer with an example.