ARCHETYPAL ANALYSIS

被引：376

作者：

CUTLER, A ^{[1
]}

BREIMAN, L ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT STAT,BERKELEY,CA 94720

来源：

TECHNOMETRICS | 1994年 / 36卷 / 04期

关键词：

ARCHETYPES; CONVEX HULL; GRAPHICS; NONLINEAR OPTIMIZATION; PRINCIPAL COMPONENTS;

D O I：

10.2307/1269949

中图分类号：

O21 [概率论与数理统计]; C8 [统计学];

学科分类号：

020208 ; 070103 ; 0714 ;

摘要：

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.

引用

页码：338 / 347

页数：10

共 17 条

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