Feed-forward neural networks and topographic mappings for exploratory data analysis

David Lowe, Michael E Tipping

Research output: Contribution to journalArticlepeer-review


A recent novel approach to the visualisation and analysis of datasets, and one which is particularly applicable to those of a high dimension, is discussed in the context of real applications. A feed-forward neural network is utilised to effect a topographic, structure-preserving, dimension-reducing transformation of the data, with an additional facility to incorporate different degrees of associated subjective information. The properties of this transformation are illustrated on synthetic and real datasets, including the 1992 UK Research Assessment Exercise for funding in higher education. The method is compared and contrasted to established techniques for feature extraction, and related to topographic mappings, the Sammon projection and the statistical field of multidimensional scaling.
Original languageEnglish
Pages (from-to)83-95
Number of pages13
JournalNeural Computing and Applications
Issue number2
Publication statusPublished - Jun 1996

Bibliographical note

The original publication is available at www.springerlink.com


  • neural networks
  • topographic mappings
  • data analysis
  • feature extraction
  • sammon mapping
  • multidimensional scaling


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