in sa-dsml-many-models/code/util/timeseries_utilities.py [0:0]
def __init__(self, target_column_name, lag_orders=None):
my_lag_orders = lag_orders if lag_orders is not None else [1]
assert isinstance(my_lag_orders, list) and min(my_lag_orders) > 0, \
'Expected lag_orders to be a list of integers all greater than zero'
self.target_column_name = target_column_name
self.lag_orders = my_lag_orders