Survival, Hazard, Regression, Data Science, Hands On Tutorials.
event happening by time T ≤ t is given by the Cumulative Probability Function F(t) as follows: Cumulative Density Function (CDF) (Image by Author) This CDF is essentially the area under the PDF curve in the interval (0, t], assuming time is always zero or positive: F(t) = Area under f(t) (source: