Buy-In & Sell-Out are the terms used to describe the purchasing of product and the selling of product and are used most frequently in Retail Supply Chain settings to manage inventory and promotion activity.
Are the results of your Statistical Forecast not good and getting worse? Then your Statistical Engine needs tuning! Changes in Organisation, Data, Resources, Strategy and things like Global Pandemics will change your data and can impair the quality of statistical forecasts.
The final article in a set of 6 entry-level discussions about the Whys & Wherefores of Forecasting. As with the previous articles the focus is really on Demand Planning, but I like to think that the principles are generic across business functions.
When you forecast is not just a question of buckets (such as days, weeks or months), cycles (how frequently you forecast) and horizons (how far in time you forecast) though they are, indeed significant factors, but also includes a number of other time-related elements that will influence your forecast act