AIC.cal {quantchem} | R Documentation |
This function computes a table of AIC values for given object inheriting from class 'cal' ('lmcal' and 'nlscal').
AIC.cal(object, ..., k = 2)
object |
a fitted calibration model of class 'lmcal' or 'nlscal' |
... |
additional arguments (ignored) |
k |
the k parameter, for more information see AIC |
A matrix with AIC values for each fitted model.
The AIC values should not be directly compared, when models differ in response (for example log-log transformed and fitted with no transformation.
Lukasz Komsta
data(ibuprofen) attach(ibuprofen) fit = lmcal(conc,area) AIC(fit) fit = nlscal(conc,area) AIC(fit)