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Multivariate Analysis2
Factor Analysis1
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Multiple Regression Analysis1
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Selection1
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Psychometrika2
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Skinner, C. J.1
de Leeuw, Jan1
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Generalized Eigenvalue Problems with Positive Semi-Definite Matrices.
Peer reviewed Peer reviewed
de Leeuw, Jan – Psychometrika, 1982
Recent work (EJ 208 813) showing that generalized eigenvalue problems in which both matrices are singular can be solved by reducing them to similar problems of smaller order is discussed. Possible extensions of the work are indicated. (Author/JKS)
Descriptors: Mathematical Formulas, Matrices, Multivariate Analysis, Scaling
On the Geometric Approach to Multivariate Selection.
Peer reviewed Peer reviewed
Skinner, C. J. – Psychometrika, 1984
Multivariate selection can be represented as a linear transformation in a geometric framework. In this note this approach is extended to describe the effects of selection on regression analysis and to adjust for the effects of selection using the inverse of the linear transformation. (Author/BW)
Descriptors: Factor Analysis, Geometric Concepts, Mathematical Formulas, Multiple Regression Analysis