Adaptive estimation of daily demands with complex calendar effects for freight transportation

Adaptive estimation of daily demands with complex calendar effects for freight transportation

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Article ID: iaor20011428
Country: United Kingdom
Volume: 34B
Issue: 6
Start Page Number: 451
End Page Number: 469
Publication Date: Aug 2000
Journal: Transportation Research. Part B: Methodological
Authors: ,
Keywords: forecasting: applications
Abstract:

We address the problem of forecasting spatial activities on a daily basis that are subject to the types of multiple, complex calendar effects that arise in many applications. Our problem is motivated by applications where we generally need to produce thousands, and frequently tens of thousands, of models, as arises in the prediction of daily origin–destination freight flows. Exponential smoothing-based models are the simplest to implement, but standard methods can handle only simple seasonal patterns. We propose a class of exponential smoothing-based methods that handle multiple calendar effects. These methods are much easier to implement and apply than more sophisticated ARIMA-based methods. We show that our techniques actually outperform ARIMA-based methods in terms of forecast error, indicating that our simplicity does not involve any loss in accuracy.

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