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Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.

Cox Proportional Hazards Regression
Survival AnalysisJan 29New

Cox Proportional Hazards Regression

Cox Proportional Hazards Regression models the effect of multiple variables on time-to-event outcomes. Use it to identify which factors accelerate or delay an event such as churn, conversion, or failure.

Kaplan-Meier Estimator
Survival AnalysisJan 29New

Kaplan-Meier Estimator

The Kaplan-Meier Estimator constructs a survival curve showing the probability of not experiencing an event over time. Use it to visualize retention, estimate median survival, and handle censored data.

Log-Rank Test
Survival AnalysisJan 29New

Log-Rank Test

The Log-Rank Test compares survival curves between two or more groups. Use it when you want to know whether groups differ in their time to an event such as churn, conversion, or failure.