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Adele Cutler and Leo Breiman
Vol. 36, No. 4 (Nov., 1994), pp. 338-347
Published by: Taylor & Francis, Ltd. on behalf of American Statistical Association and American Society for Quality
Stable URL: http://www.jstor.org/stable/1269949
Page Count: 10
You can always find the topics here!Topics: Archetypes, Ozone, Tokamak devices, Datasets, Least squares, Statistics, Armies, Simulations, Mathematical minima, Local minimum
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Archetypal analysis represents each individual in a data set as a mixture of individuals of pure type or archetypes. The archetypes themselves are restricted to being mixtures of the individuals in the data set. Archetypes are selected by minimizing the squared error in representing each individual as a mixture of archetypes. The usefulness of archetypal analysis is illustrated on several data sets. Computing the archetypes is a nonlinear least squares problem, which is solved using an alternating minimizing algorithm.
Technometrics © 1994 American Statistical Association