guides

The full argument, in one place.

Stress tests show a single run. Field notes make a single point. Guides assemble the whole method around one question, section by section, with the field notes as depth and the published stress tests as evidence.

guides

the complete arguments

guide read →

Predicting and preventing customer churn.

Why churn models only predict the past, which leading indicators actually lead, where a retention dollar does work, and how stress testing measures the churn your data cannot contain.

the evidence behind every guide lives in the stress tests and field notes.

Bring us a population