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review

Module 05 Self-Test

  1. Your model has high BOTH train and test error. Diagnosis and fix?
  2. RF reduces . XGBoost reduces .
  3. Write a 3-day rolling average window clause.
  4. Why should you switch in Monty Hall?
  5. Expected value of rolling a fair die?
  6. How many people for >50% shared birthday probability?

Practice Questions

Q: Your model has high BOTH train and test error. Diagnosis and fix?
Q: RF reduces . XGBoost reduces .
Q: Write a 3-day rolling average window clause.
Q: Why should you switch in Monty Hall?
Q: Expected value of rolling a fair die?
Q: How many people for >50% shared birthday probability?