Generalising about univariate forecasting methods: Further empirical evidence

Robert Fildes, Michèle Hibon, Spyros Makridakis, Nigel Meade

Research output: Contribution to journalArticle

84 Citations (Scopus)


This paper extends the empirical evidence on the forecasting accuracy of extrapolative methods. The robustness of the major conclusions of the M-Competition data is examined in the context of the telecommunications data of Fildes (1992). The performance of Robust Trend, found to be a successful method for forecasting the telecommunications data by Fildes, is compared with that of other successful methods using the M-Competition data. Although it is established that the structure of the telecommunications data is more homogeneous than that of the M-Competition data, the major conclusions of the M-Competition continue to hold for this new data set. In addition, while the Robust Trend method is confirmed to be the best performing method for the telecommunications data, for the 1001 M-Competition series, this method is outperformed by methods such as Single or Damped Smoothing. The performance of smoothing methods depended on how the smoothing parameters are estimated. Optimisation at each time origin was more accurate than optimisation at the first time origin, which in turn is shown to be superior to arbitrary (literature based) fixed values. In contrast to the last point, a data based choice of fixed smoothing constants from a cross-sectional study of the time series was found to perform well.

Original languageEnglish
Pages (from-to)339-358
Number of pages20
JournalInternational Journal of Forecasting
Issue number3
Publication statusPublished - 1 Sep 1998


  • Comparative methods-Time series: Univariate
  • Estimation-robust
  • M-Competition
  • Time series-univariate: ARIMA
  • Time series-univariate: exponential smoothing

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