convert the recorded event time per patient to the number of events and wt at the given time point per patient

convert the recorded event time per patient to the number of events and wt at the given time point per patient

Usage

add_wt(data_to_convert, weights_by_status, time_to_evaluate)

Arguments

time_to_evaluate

a scalar, or vector with length equal to length(unique(data_to_convert$Id)) the time point to calculate the number of events and wt for each patient;

data_to_convert:

a data frame with columns of Id, X, Status

weights_by_status:

a vector of weights by status, default is c(0,1,1) for censoring (status: 0), terminal event(status: 1) and recurrent event(status: 1)

Value

a data.frame with number of events and wt at the given time point per patient