Using Exponential Smoothing To Specify Intervention Models for Interrupted Time Series
- 1 October 1984
- journal article
- research article
- Published by SAGE Publications in Evaluation Review
- Vol. 8 (5) , 663-691
- https://doi.org/10.1177/0193841x8400800505
Abstract
In general, procedures for the analysis of interrupted time series are quite sophisticated and powerful. However, procedures for identifying the intervention component of inter rupted time-series models remain relatively primitive. In this article we demonstrate how exponential smoothing can play a function in the identification of the intervention component of an interrupted time-series model that is analogous to the function that the sample autocorrelation and partial autocorrelation functions serve in the identification of the noise portion of such a model.Keywords
This publication has 3 references indexed in Scilit:
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- FORECASTING WITH EXPONENTIAL SMOOTHING: SOME GUIDELINES FOR MODEL SELECTIONDecision Sciences, 1980
- Intervention Analysis with Applications to Economic and Environmental ProblemsJournal of the American Statistical Association, 1975