RGM® Glossary · Data Science
Growth Glossary — Definition
SHT COX-PROPORTIONCox Proportional Hazards
Survival analysis regression model estimating effects of covariates on time-to-event outcomes like churn. A working definition from the RGM…
Survival analysis regression model estimating effects of covariates on time-to-event outcomes like churn.
- Term
- Cox Proportional Hazards
- Field
- Data Science
- Category
- Marketing
Where teams go wrong
Look at it this way.Most mistakes with Cox Proportional Hazards share a root: the term gets reported as if it were exact when it is not.
- One blanket rule. Applying Cox Proportional Hazards the same way everywhere. Split it by audience, channel, and business model.
- Bare numbers. Showing Cox Proportional Hazards on its own. Context is what makes it readable.
- Chasing the word. Optimizing Cox Proportional Hazards for its own sake. Check it tracks a real outcome.
- Bad compares. Benchmarking Cox Proportional Hazards with no adjustment. Account for the model differences first.
Questions teams ask
How is Cox Proportional Hazards defined?
Survival analysis regression model estimating effects of covariates on time-to-event outcomes like churn. Settle what Cox Proportional Hazards covers first; the strategy follows from there.
What makes Cox Proportional Hazards worth knowing?
Cox Proportional Hazards shows up in budget reviews and channel reporting. Use it loosely and teams pull apart; use it precisely and the numbers line up.
How do teams use Cox Proportional Hazards?
Teams put Cox Proportional Hazards to work on a spend split, a metric, or a head-to-head call. See the Oatly walk-through above.
Where do teams slip up on Cox Proportional Hazards?
Chasing Cox Proportional Hazards as a goal and benchmarking it raw. Both bury the real trade-off underneath.
- How is Cox Proportional Hazards defined?
- Survival analysis regression model estimating effects of covariates on time-to-event outcomes like churn. Settle what Cox Proportional Hazards covers first; the strategy follows from there.
- What makes Cox Proportional Hazards worth knowing?
- Cox Proportional Hazards shows up in budget reviews and channel reporting. Use it loosely and teams pull apart; use it precisely and the numbers line up.
- How do teams use Cox Proportional Hazards?
- Teams put Cox Proportional Hazards to work on a spend split, a metric, or a head-to-head call. See the Oatly walk-through above.