Question 1

Why is a simple baseline useful before trying complex models?

Accepted Answer

Students can detect leakage, design correct splits, debug spurious correlations, and build robust baselines.

Question 2

What does a "strong baseline" mean in a FAANG interview?

Accepted Answer

Students can detect leakage, design correct splits, debug spurious correlations, and build robust baselines.

Question 3

What makes a feature “leaky”?

Accepted Answer

Students can detect leakage, design correct splits, debug spurious correlations, and build robust baselines.

Classical ML Failure Modes