Titlebook: A Practical Guide to Point of Care Ultrasound (POCUS); Arunangshu Chakraborty,Balakrishnan Ashokka Book 2022 The Editor(s) (if applicable)

Projection

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Estimating Demand with Constrained Data and Product Substitutions,that the demand for a product is easily estimated and is independent of competing products offered through the same channel. In this chapter, we show why this is rarely a good assumption and provide a review of the statistical techniques that have been developed to correct product demand distributio