Question: Part A: Why do we need to explore and preprocess data before fitting a machine learning algorithm? (In your own words. Give 2-3 sentences explaining)

Part A: Why do we need to explore and preprocess data

Part A: Why do we need to explore and preprocess data before fitting a machine learning algorithm? (In your own words. Give 2-3 sentences explaining) Part B: What is the difference between post-pruning and pre-pruning? (In your own words. Give 2-3 sentences explaining)

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