This data set starts with the day 1 concentrations of the theophylline data that is included in the nlme/NONMEM. After day 7 concentrations were simulated with once a day regimen for 7 days (QD).
A data frame with 348 rows by 7 columns
Dependent Variable, theophylline Concentration
RxODE/nlmixr event ID (not NONMEM's)