The Time Horizon in Forecasting Short-term sales Product family sales Shift schedule Labor needs Resource requirements Resource requirements Days/Weeks Weeks/Months Short ermed Long sioa/syiuow .The Intermediate term is measured in weeks or months; Typical intermediate term forecasting problems include sales pattern of product families,requirements and availabilities of workers,and resource requirements.The Time Horizon in Forecasting Fig.2-1 Forecast Horizons in Operation Planning •The Intermediate term is measured in weeks or months; •Typical intermediate term forecasting problems include sales pattern of product families, requirements and availabilities of workers, and resource requirements