Add observations to an arm in a trial design
add_administration(td, arm, variable, amount, time_points, start_time = 0)(TrialDesign) An updated TrialDesign
(TrialDesign) TrialDesign to add to
(str) Name of the arm
(str) Name of the dose variable (e.g. AMT)
(numeric) The dose amount
(array(numeric)) List of the time points for the administration
(numeric) Set a start_time to offset the time_points. Default 0.0