Survival analysis is a branch of statistics focused on analyzing the time until an event of interest occurs. This event is often referred to as a "failure" or "death," although it can represent any type of event, such as recovery from a disease, mechanical breakdown, or customer churn. Key concepts in survival analysis include: 1. **Survival Time**: The duration until the event occurs. This can be measured in various units, such as days, months, or years.
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