Build NONMEM dose records from an EX-like data.frame.
EX must contain: SUBJID, DAT2, TIME, AMT, RATE.
Optional: CMT (defaults to dose_cmt).
Output rows have MDV = 1, DV = 0.
build_dose_records(EX, dose_cmt = 1L)data.frame of dose records with columns SUBJID, DAT2, TIME, AMT, RATE, CMT, DV, MDV.
data.frame with dose information.
default compartment for dose records lacking a CMT column.