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ANDERSON, A. J. B.

[s.l.] : Nature Publishing Group

Nature 232 (1971), S. 416-417

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ISSN: 1476-4687

Source: Nature Archives 1869 - 2009

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Notes: [Auszug] Quantitative data are frequently presented as an n x m matrix, X. For many purposes (for example, principal component analysis) the units are regarded as points in Euclidean space, using the Euclidean distance metric (1) as a measure of the dissimilarity between units i and j. D can be derived ...

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1038/232416a0

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Numeric examination of multivariate soil samples (1971)

Anderson, A. J. B.

Springer

Mathematical geology 3 (1971), S. 1-14

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ISSN: 1573-8868

Keywords: classification ; cluster analysis ; principal components analysis ; numerical taxonomy

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Mathematics

Notes: Abstract Numerical methods for the examination of multivariate soil samples are presented in geometric terms. Techniques of coordinate representation by principal components, by nonmetric scaling, and by a new method are discussed, as are techniques for agglomerative hierarchic cluster analysis. These are illustrated by two sets of previously published data.