calc.v {sensitivityPStrat} | R Documentation |
Calculates the v matrix used in the estimation of standard errors in sensitivitySGL.
calc.v(event, time)
event |
logical vector indicating whether and event has happened. |
time |
vector; time until event or observation halted. |
returns a matrix.
Bryan E. Shepherd
Department of Biostatistics
Vanderbilt University
Charles Dupont
Department of Biostatistics
Vanderbilt University
Shepherd BE, Gilbert PB, Lumley T (2007), “Sensitivity analyses comparing time-to-event outcomes existing only in a subset selected postrandomization,” Journal of the American Statistical Association 102, 573-582.