review

Module 06 Self-Test

  1. L1 vs L2: which one can zero out coefficients?
  2. Can you apply L1/L2 to a Random Forest? Why or why not?
  3. Precision vs recall: which do you prioritize for a cancer screening model?
  4. Why is accuracy misleading for imbalanced data?
  5. In an A/B test, why not check results every day?
  6. NULL = NULL returns what?
  7. What's a generator and when would you use one?

Practice Questions

Q: L1 vs L2: which one can zero out coefficients?
Q: Can you apply L1/L2 to a Random Forest? Why or why not?
Q: Precision vs recall: which do you prioritize for a cancer screening model?
Q: Why is accuracy misleading for imbalanced data?
Q: In an A/B test, why not check results every day?
Q: NULL = NULL returns what?
Q: What's a generator and when would you use one?