Standard Article

Spectral Analysis

  1. G. J. Janacek

Published Online: 15 JUL 2005

DOI: 10.1002/0470011815.b2a12065

Encyclopedia of Biostatistics

Encyclopedia of Biostatistics

How to Cite

Janacek, G. J. 2005. Spectral Analysis. Encyclopedia of Biostatistics. 7.

Author Information

  1. University of East Anglia, Norwich, UK

Publication History

  1. Published Online: 15 JUL 2005


Identifying cyclic effects in time series data is often an extremely important part of the analysis of the series. In this article, a number of approaches are discussed, including harmonic analysis and linear filters.


  • time series;
  • cyclic variation;
  • power spectrum;
  • moving average