Module 13 Self-Test
- Name 2 ways Chicago DS interviews differ from FAANG.
- What is PCA? Is it feature selection?
- WHERE vs HAVING: which filters groups after aggregation?
- What does
if __name__ == '__main__'do? - Recite the A/B test design steps from memory.
- Your SWE background — how is this an advantage for Chicago DS roles?
Practice Questions
Q: Name 2 ways Chicago DS interviews differ from FAANG.
Q: What is PCA? Is it feature selection?
Q: WHERE vs HAVING: which filters groups after aggregation?
Q: What does
if __name__ == '__main__' do?
Q: Recite the A/B test design steps from memory.
Q: Your SWE background — how is this an advantage for Chicago DS roles?