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Algorithms2
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Cluster Analysis1
Data Analysis1
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Psychometrika2
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Batagelj, Vladimir1
Ferligoj, Anuska1
Leeuw, Jan De1
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A Note on Partitioned Determinants.
Peer reviewed Peer reviewed
Leeuw, Jan De – Psychometrika, 1982
A formula for the determinant of a partitioned matrix, possibly with singular submatrices, is derived and applied to some psychometric and numerical problems. (Author)
Descriptors: Algorithms, Matrices, Statistical Studies
Clustering with Relational Constraint.
Peer reviewed Peer reviewed
Ferligoj, Anuska; Batagelj, Vladimir – Psychometrika, 1982
Using constraints with cluster analysis limits the possible number of clusters. This paper deals with clustering problems where grouping is constrained by a symmetric and reflexive relation. Two approaches, along with illustrations, are presented. (Author/JKS)
Descriptors: Algorithms, Cluster Analysis, Data Analysis, Mathematical Models