Returns quantitative assessment of the estimated model as a list
fitch(x)A list containing the following elements
Mean Square Error measure of how well the response of the model fits the estimation data
Final Prediction Error
Normalized root mean squared error (NRMSE) measure of how well the response of the model fits the estimation data, expressed as a percentage.
Raw Akaike Information Citeria (AIC) measure of model quality
Small sample-size corrected AIC
Normalized AIC
Bayesian Information Criteria (BIC)
the estimated model