The Unit Hierarchy and its Properties
- 1 September 1938
- journal article
- Published by Cambridge University Press (CUP) in Psychometrika
- Vol. 3 (3) , 151-168
- https://doi.org/10.1007/bf02288483
Abstract
A correlation matrix may be expanded as the weighted sum of a series of ‘unit hierarchies’. The properties of the ‘unit hierarchy’ are not only of theoretical interest for themselves, but lead to simpler modes of practical calculation. The analysis is analogous to a spectral set of projective operations in quantum-theory: and the analogy itself suggests many further problems and solutions.Keywords
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