Article

Psychometrika

, Volume 51, Issue 3, pp 429-451

Extended similarity trees

  • James E. CorterAffiliated withTeachers College, Columbia University
  • , Amos TverskyAffiliated withStanford University

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Abstract

Proximity data can be represented by an extended tree, which generalizes traditional trees by including marked segments that correspond to overlapping clusters. An extended tree is a graphical representation of the distinctive features model. A computer program (EXTREE) that constructs extended trees is described and applied to several sets of conceptual and perceptual proximity data.

Key words

proximities nonhierarchical clustering additive trees feature models