To set up a perfect demand forecasting process, you need to get four things right: granularity, temporality, metrics, and process. — When it comes to demand forecasting, most supply chains rely on populating 18-month forecasts with monthly buckets. Should this be considered a best practice, or is it merely a by-default, overlooked choice? I have seen countless supply chains forecasting demand at an irrelevant aggregation level — whether material, geographical or…