To compare the linear model to the pore inactivation model
proposed in this work the Akaike criterion was used. As the Akaike
criterion takes into account the residual sum of squares, the sample
size and the number of parameters, it provides a statistical
comparison between the two different models. However, it does
not take into account the fact that the parameters of the new
model describe the physical properties of the potato, while the
parameter for the linear model is a fitting constant without any
physical meaning, and in parts of the process does not behaves
physically