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Case studies
Worked examples from my portfolio, written so you can see the method, the evidence and the limits. All three use synthetic datasets, which each page says clearly, and all code is public on GitHub. For shorter how-to guides, see Insights; for the full list of projects, see GitHub.
SaaS churn analysis: predicting churn is not the same as deciding who to call
A churn model, a billing finding, and a randomised retention experiment compared four ways of choosing which accounts to contact.
Predictive customer lifetime value: forecasting 12-month revenue per customer
A leakage-tested forecast of next-year revenue for 126,337 customers, with ranges, reasons and a backtested segment view.
Demand forecasting and inventory optimization: sales are not the same as demand
A stockout-aware forecast and reorder pipeline for a simulated 50-store retailer, with honest baselines.