can an arma model be used in aic what is the aic of arma models can a model compare to a comparator can we compare an arma model to an arma-gard model? can we compare arma to garch what aic value do you use for arma how to compare arma model to arma can a model compare to an arma aic model comparison can we use aic value in a timeseries? can a model have both model one and model two as aic? how do you compare two models based on the aic which aic value is the best can we use aIC to compare an arma model with an arma curve why use aic can ac model be used to compare what model has the lowest aic can a model compare to a arma model can we compare a model and an arma model using aic what is the aic for a arma model