For interval censored data, segments of times between last.well and first.ill are plotted for each conversion in the data. It also plots the equivalence classes.
plotevent(last.well, first.ill, data)Time at which the individuals are last seen negative for the event
Time at which the individuals are first seen positive for the event
Data with a transversal shape
Graph
last.well and first.ill should be written as character in the function.
Carstensen B. Regression models for interval censored survival data: application to HIV infection in Danish homosexual men.Stat Med. 1996 Oct 30;15(20):2177-89.
Lindsey JC, Ryan LM. Tutorial in biostatistics methods for interval-censored data.Stat Med. 1998 Jan 30;17(2):219-38.