Research Perspective Volume 16, Issue 4 pp 3047—3055
On standardization of controls in lifespan studies
Figure 3. Example of dataset with over-mortality event. “Berberine control” dataset characteristics. Left, survival curves estimates from nonparametric and parametric estimators. Middle, corresponding hazard (mortality) estimates. Right, event plot (events distribution) of original data and 1000 samples of survival curve derivatives. Abbreviations: KM: Kaplan-Meier estimator, NA: Nelson-Aalen estimator.