## Other refs - The best explanation on strategies for dealing with lags is from: [Sales forecasting in retail: what we learned from the M5 competition | by Maxime Lutel | Artefact Engineering and Data Science | Medium](https://medium.com/artefact-engineering-and-data-science/sales-forecasting-in-retail-what-we-learned-from-the-m5-competition-445c5911e2f6)