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Analysis And Prediction Of Telephone Demand In Local Geographic Areas, Douglas M. Dunn, William (Bill) H. Williams, W. Allen Spivey

Publications and Research

An approach to forecasting the demand or local area telephone service is presented in this paper. The specific problem discussed is the fore­ casting of main stations in three Michigan metropolitan areas. Several different statistical models are used. The first class of models introduced uses adaptive exponential smoothing and is based solely on the past history of the time series involved. Although appropriate data at the local area level are very difficult to obtain, two exogenous time series related to household formations are used to construct more elaborate models for one of the areas. The various models are evaluated by …