1. U . K . May Not Cut Taxes, Admits Revenue Forecast Error 2. Reference class forecasting has been developed to reduce forecast error . 3. Combining forecasts has also been shown to reduce forecast error . 4. _TRACKING AND PREDICTING FORECAST ACCURACY . Tracking forecast errors is fundamental to improving accuracy. 5. The programme imbalance is the wind production forecast error . 6. In 1964, the forecast error three days from a potential landfall was about 520 miles. 7. Accuracy is typically measured as the average absolute forecast error for vote shares and seat shares. 8. For example, a classic approach in dimensioning safety stocks requires calculating standard deviation of forecast errors . 9. Because forecast errors are given, companies often carry an inventory buffer called " safety stock ". 10. Example of a portfolio spread forecast using an ARMA model and the associated forecast error bounds