subject |
a factor with 42 levels: 1, 2, …, 42 |
period |
a factor with 3 levels: 1, 2, 3 |
sequence |
a factor with 2 levels: TRR, RTR |
treatment |
a factor with 2 levels: T, R |
PK |
a numeric vector of pharmacokinetic responses acceptable for reference-scaling (generally ) |