Displaying 1 result from an estimated 1 matches for "daysenrolled".
2009 Jun 03
2
Create a time interval from a single time variable
I am trying to set up a data set for a survival analysis with time-varying covariates. The data is already in a long format, but does not have a variable to signify the stopping point for the interval. The variable DaysEnrolled is the variable I would like to use to form this interval. This is what I have now:
ID Age DaysEnrolled HAZ WAZ WHZ Food onARV HIVStatus LTFUp
1 71622 0.008 0 NA NA NA NA 0...