f_dose_ongoing_cpp {drugDemand}  R Documentation 
Dosing Date Imputation for Ongoing Patients
Description
Imputes the dosing dates after cutoff for ongoing patients with dosing records.
Usage
f_dose_ongoing_cpp(usubjid, V, C, D, model_ki, theta_ki, model_ti, theta_ti)
Arguments
usubjid 
The unique subject ID. 
V 
The last dosing visit date relative to randomization. 
C 
The cutoff date relative to randomization. 
D 
The discontinuation date relative to randomization. 
model_ki 
The model for the number of skipped visits between two consecutive drug dispensing visits. Options include "constant", "poisson", "zeroinflated poisson", and "negative binomial". 
theta_ki 
The model parameters for the number of skipped visits between two consecutive drug dispensing visits. 
model_ti 
The model for the gap time between two consecutive drug dispensing visits. Options include "least squares" and "least absolute deviations". 
theta_ti 
The model parameters for the gap time between two consecutive drug dispensing visits. 
Value
A data frame with two variables:

usubjid
: The unique subject ID. 
day
: The dosing visit date relative to randomization.
Author(s)
Kaifeng Lu, kaifenglu@gmail.com
Examples
set.seed(314)
f_dose_ongoing_cpp(
usubjid = "A001", V = 297, C = 329, D = 569,
model_ki = "zeroinflated poisson", theta_ki = c(0.4, 2.5),
model_ti = "least squares", theta_ti = c(21, 2.3))