Matrices satisfying regular minimality

Matthias Trendtel, Ali Ünlü, Ehtibar N. Dzhafarov

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A matrix of discrimination measures (discrimination probabilities, numerical estimates of dissimilarity, etc.) satisfies Regular Minimality (RM) if every row and every column of the matrix contains a single minimal entry, and an entry minimal in its row is minimal in its column. We derive a formula for the proportion of RM-compliant matrices among all square matrices of a given size and with no tied entries. Under a certain "meta-probabilistic" model this proportion can be interpreted as the probability with which a randomly chosen matrix turns out to be RM-compliant.

Original languageEnglish
Article numberArticle 211
JournalFrontiers in Psychology
Volume1
Issue numberDEC
DOIs
StatePublished - 2010
Externally publishedYes

Keywords

  • Discriminability
  • Permutations
  • Regular minimality

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