A function that gets the number of doses in grid. User can choose whether the placebo dose (if any) should be counted or not.
Usage
ngrid(object, ignore_placebo = TRUE, ...)
# S4 method for Data
ngrid(object, ignore_placebo = TRUE, ...)
Arguments
- object
(
Data
)
object with dose grid.- ignore_placebo
(
flag
)
should placebo dose (if any) not be counted?- ...
further arguments passed to class-specific methods.