2011 Forecasting Performance Benchmark Study
Demand Planning Forecast Error
During 2010, the average weekly error was 48% with a slight difference by top performers, who came in six points lower at 42%.
Meanwhile, monthly error averaged 33% with a five point spread between top performers and the average.
Demand Planning error remained essentially flat between 2009 and 2010; little difference was exhibited between the average and top performers in both years. Error inches up slightly in December, probably as a result of holiday disruption.
