Why is it impossible to find a Good Forecast Model?
1. MYTH #1: Aggregation or Disaggregation has no impact on variation. At a store, an item may sell between 10 to 100 pieces (10x Variation)For manufacturer, the difference might be 1,000 to 2,000 pieces (2x Variation). The more disaggregated the data is, the higher the variation. 2. MYTH #2: Sophisticated Read more…