Some multiple correlation and predictor selection methods |
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Authors: | Harry E. Anderson Jr. Benjamin Fruchter |
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Affiliation: | (1) System Development Corporation, USA;(2) The University of Texas, USA |
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Abstract: | The Doolittle, Wherry-Doolittle, and Summerfield-Lubin methods of multiple correlation are compared theoretically as well as by an application in which a set of predictors is selected. Wherry's method and the Summerfield-Lubin method are shown to be equivalent; the relationship of these methods to the Doolittle method is indicated. The Summerfield-Lubin method, because of its compactness and ease of computation, and because of the meaningfulness of the interim computational values, is recommended as a convenient least squares method of multiple correlation and predictor selection. |
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