To make more clear and clean the __init__ of the ArimaContainer, is it possible to decompose this process into methods that get called in the __init__ ?. For example return_order_related_params can be a method of this class called during init

class ArimaContainer(TimeSeriesContainer):

    def __init__():
          ....
         self.return_order_related_params()

    def return_order_related_params(self):

Originally posted by @TremaMiguel in #1198 (comment)