Logistics Modeling and Forecasting with Regression

Logistics Modeling and Forecasting with Regression

Ariadni Papana Dagiasis
DOI: 10.4018/978-1-4666-2008-7.ch013
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In this chapter, the method of multiple regression is introduced for describing the functional relationship among several variables, as well as for predicting the values of a variable from the values of a group of variables. The tools for model fitting, model validation, and prediction are presented, while emphasis is given on understanding the types of data that can be analyzed via regression. More specifically, the method of least squares is discussed. Regression analysis is proposed due to its simplicity and wide applicability. Modeling outsourcing or demand forecasting can both be achieved by regression analysis, providing useful information for logistics service providers or 3PL companies. Hauling freight data collected from a logistics company based in Ohio were utilized to demonstrate the applicability of regression analysis and its usefulness for logistics service providers, 3PL companies, and transportation companies. Finally, limitations, solutions, and alternative strategies are discussed.
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Outsourcing logistics activities is very common practice nowadays adopted by various businesses. Outsourcing is an agreement between a business and a provider such that the provider is responsible for managing and controlling various activities for the business. Third-party-logistics (3PL) is a special form of outsourcing logistical activities such as transportation, warehousing, inventory control, distribution, information systems related, audit payments. The main reasons for outsourcing are: cost reduction for the outsourcer, demand forecasting, service improvement, risk sharing and management of unbalanced freight networks, strategic planning, improved efficiency of distribution (Taylor, 2008). Today, outsourcing of logistic activities to 3PL is the core of competitive advantage and cost savings of a company. Modeling outsourcing and forecasting demand are common goals for various types of companies that provide useful information for several logistics activities such as purchasing, inventory management and transportation.

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