CASE

Research case studies

A repeatable method for open-ended cases, and the traps that sink strong candidates.

1
A method for open cases
Clarify, define the target, enumerate data, state assumptions, propose a baseline.
- 1.1A method for open-ended research cases13 min
2
Prediction cases
Housing prices, demand forecasting and pricing problems.
- 2.1Prediction cases: demand, pricing and the traps in each12 min
3
Causal and experiment cases
Treatment effects, confounding and surprising results.
- 3.1Causal cases: treatment effects, confounding and surprising results12 min
4
Market-data cases
Short-horizon predictors and order-book features.
- 4.1Market-data cases: short-horizon prediction from the order book12 min
5
Data quality
Missingness, outliers, regime change and leakage.
- 5.1Data quality: missingness, outliers, regimes and leakage12 min
6
Communicating
Structuring an answer aloud and defending an assumption.
- 6.1Communicating: structuring an answer and defending an assumption11 min