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A Review of Some Smoothing and Forecasting Techniques

Summary: Through the use of several examples, the case is made for using graphical representations of time sequenced data in order to insure that the forecaster makes full use of intuition as well as supplementary knowledge about the process in question. Among several possible devices, minicomputer-calculator graphs illustrate the effects on several sets of data when (1) various transformations of the original data are proposed; (2) seasonal adjustments are considered; (3) exponential smoothing is introduced; and (4) forecasting into the future is undertaken. The paper is intended as an expository article on forecasting and smoothing procedures.

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  • Topics: Data Quality
  • Keywords: Data smoothing,Prediction,Graphical methods,Statistical methods,Transformation
  • Author: Boardman, Thomas J.; Bryson, Maurice C.
  • Journal: Journal of Quality Technology