review

Module 11 Self-Test

  1. Walk through a Fermi estimate for "How many pizza deliveries happen in Chicago per day?"
  2. Tabular data: deep learning or gradient boosting? Why?
  3. How does converting a string column to category type save memory?
  4. Expected rolls to see all 6 die faces?
  5. What's a star schema? Name the two types of tables.
  6. Bayes — a defective item from a two-machine factory. Can you set up the formula without looking?

Practice Questions

Q: Walk through a Fermi estimate for "How many pizza deliveries happen in Chicago per day?"
Q: Tabular data: deep learning or gradient boosting? Why?
Q: How does converting a string column to category type save memory?
Q: Expected rolls to see all 6 die faces?
Q: What's a star schema? Name the two types of tables.
Q: Bayes — a defective item from a two-machine factory. Can you set up the formula without looking?