Extract the columns used in the formula (in order) from a PKNCAconc or PKNCAdose object. — model.frame.PKNCAconc • PKNCA

Extract the columns used in the formula (in order) from a PKNCAconc or PKNCAdose object.

# S3 method for class 'PKNCAconc'
model.frame(formula, ...)

# S3 method for class 'PKNCAdose'
model.frame(formula, ...)

Arguments

formula: The object to use (parameter name is formula to use the generic function)
...: Unused

Value

A data frame with the columns from the object in formula order.