1. Features and targets
List allowed and excluded pilot fields. Explain why dispatch_date is used for ordering but not included as a predictor. Identify two leakage paths.Write your answer in learner_worksheet.txt and retain the evidence file. Attempt this before opening the solution.
Your method:
Your result and evidence:
Limitations:
Independent extension:


2. Training and test data
Write down the pilot split before running code. Verify no parcel ID overlaps. Explain why the main test set must not be used to choose preprocessing or a threshold.Write your answer in learner_worksheet.txt and retain the evidence file. Attempt this before opening the solution.
Your method:
Your result and evidence:
Limitations:
Independent extension:


3. Compare a simple model with a baseline
Reproduce the pilot comparison and write a short error note. Calculate majority-baseline accuracy and recall from seven late and thirteen non-late test parcels.Write your answer in learner_worksheet.txt and retain the evidence file. Attempt this before opening the solution.
Your method:
Your result and evidence:
Limitations:
Independent extension:
