AIC.cal {quantchem}R Documentation

Akaike's An Information Criterion for calibration models

Description

This function computes a table of AIC values for given object inheriting from class 'cal' ('lmcal' and 'nlscal').

Usage

AIC.cal(object, ..., k = 2)

Arguments

object a fitted calibration model of class 'lmcal' or 'nlscal'
... additional arguments (ignored)
k the k parameter, for more information see AIC

Value

A matrix with AIC values for each fitted model.

Note

The AIC values should not be directly compared, when models differ in response (for example log-log transformed and fitted with no transformation.

Author(s)

Lukasz Komsta

See Also

lmcal, nlscal

Examples

data(ibuprofen)
attach(ibuprofen)
fit = lmcal(conc,area)
AIC(fit)
fit = nlscal(conc,area)
AIC(fit)

[Package quantchem version 0.12-1 Index]