An ecological example of the application of projection pursuit to compositional data

Clements, A. M. and Jones, M. C. (1991). An ecological example of the application of projection pursuit to compositional data. Vegetatio, 95(2) pp. 101–117.

DOI: https://doi.org/10.1007/BF00045209

URL: http://www.springerlink.com/content/g46v3801114t17...

Abstract

A modern statistical technique for the exploratory analysis of multivariate data, called projection pursuit, is described. The method consists of the extraction and display of informative one- or two-dimensional projections of the multivariate dataset. Projection pursuit has much scope for application to ecological datasets. The example in this paper concerns element concentrations in soil samples from a coastal embayment on the east coast of Australia. The application attempts to search for patterns in the soils which could be related to vegetation patterns. The compositional nature of the dataset adds a novel element to the methodology.

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