AaJ.Lexis {Epi} | R Documentation |
Lexis
object.
The Aalen-Johansen estimator is computed on the basis of a
Lexis
multistate object along a given time scale. The
function is merely a wrapper for the survfit
.
## S3 method for class 'Lexis' AaJ(Lx, formula = ~ 1, timeScale = 1)
Lx |
A |
formula |
A one-sided formula passed on to |
timeScale |
Chararter or integer, selecting one of the timescales
of the |
An object of class survfitms
— see
survfit
.
Bendix Carstensen, http://bendixcarstensen.com
data(DMlate) str(DMlate) dml <- Lexis(entry = list(Per = dodm, Age = dodm-dobth, DMdur = 0 ), exit = list(Per = dox), exit.status = factor(!is.na(dodth), labels = c("DM","Dead")), data = DMlate ) # Cut the follow-up at insulin start dmi <- cutLexis(dml, cut = dml$doins, new.state = "Ins", split.state = TRUE) summary( dmi ) ms <- AaJ.Lexis(dmi, timeScale = "DMdur") class(ms) ms$states head(ms$pstate)