Question: 3. (6 marks) Text Classification (a) (2 marks) Explain how the task of spam filtering can be addressed as a task of text classification. Your

3. (6 marks) Text Classification (a) (2 marks) Explain how the task of spam filtering can be addressed as a task of text

3. (6 marks) Text Classification (a) (2 marks) Explain how the task of spam filtering can be addressed as a task of text classification. Your explanation should define what are the target classes in the task of text classification for spam filtering. (b) (4 marks) Write a feature extractor in Python that returns the one-hot encoding repre- sentation of a document so that it can be used by a sklearn classifier. Remember that

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