TwoWaySurv {TwoWaySurvival} | R Documentation |
Creates an object of class 'TwoWaySurv' for using as a response in the model formula in the call to the 'TwoWaySurvitCreate' function.
TwoWaySurv(surv.time, birth.time, status)
surv.time |
the time to follow up for right censored data. |
birth.time |
the (calendar) time to enter in the study. |
status |
the (0,1)-indicator, 1 for event and 0 for censored observation. |
The function handls only right censored data. All arguments must be numeric vectors. NA's can be supplied but will not be supported by the function 'TwoWaySurvfitCreate' in the further analysis.
An object of class 'TwoWaySurv'.
Pavel Khomski <pkhomski@wiwi.uni-bielefeld.de>
Kauermann G. and Khomski P. (2006): Additiv two-way hazards model with varying coefficients. Computational Statistics and Data Analysis, 51, 1944-1956.
surv.time<-c(1,2,4,3,5,6,1,6,2,3,4,7,5,1,6,7,10,2,10,5) birth.time<-c(1,11,23,4,23,5,7,12,5,12,23,12,15,21,4,6,1,4,13,11) status<-c(1,1,1,0,1,1,1,0,0,1,1,1,1,1,1,0,0,1,0,1) my.TwoWaySurv.object<-TwoWaySurv(surv.time=surv.time,birth.time=birth.time,status=status)