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Advanced demand planning and IBP: hierarchical reconciliation, intermittent demand methods, demand sensing, scenario and attribute-based forecasting, multi-echelon signals, and governance of override bias.
Intermediate demand planning: forecast error metrics, demand patterns, promotional uplift, judgmental overlays, product-location hierarchies, unconstrained versus constrained plans, and improving S&OP cycle discipline.
Foundations of demand planning: independent versus dependent demand, forecast horizons, historical inputs, seasonality, bias versus accuracy, and how demand plans connect to S&OP and supply.
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