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Extended similarity trees

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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.

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This research was supported in part by a National Science Foundation Pre-doctoral Fellowship to the first author.

A magnetic tape containing both the EXTREE program described in the article and ADDTREE/P program for fitting additive trees can also be obtained from the above address. Requests for the program should be accompanied by a check for $25 made out to Teachers College, to cover the costs of the tape and postage.

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Corter, J.E., Tversky, A. Extended similarity trees. Psychometrika 51, 429–451 (1986). https://doi.org/10.1007/BF02294065

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  • DOI: https://doi.org/10.1007/BF02294065

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