Another way to take advantage of multiple techniques is focus forecasting, which selects the best forecast (based on past error measures) from a group of forecasts generated by individual techniques.Every period, all techniques are used to make forecasts for each item. The forecasts are made with a computer because there can be 100,000 SKUs at a company, each needing to be forecast. Using the history file as the starting point for each method, the computer generates forecasts for the current period.