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Projection pursuit by involution
Authors:Donal P Krouse
Institution:The New Zealand Institute for Industrial Research and Development , PO Box 31 310, Lower Hutt , New Zealand
Abstract:A novel projection pursuit method based on projecting the data onto itself is proposed. Using a number of real datasets it is shown how to obtain interesting one and two-dimensional projections using only O(n) evaluations of a one-dimensional projection index.
Keywords:dimension reduction  exploratory data analysis  multivariate analysis  non-nomality  principal component analysis  projection pursuit
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