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Fundamental formulas for the Doolittle method, using zero-order correlation coefficients. (Q573680)

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scientific article; zbMATH DE number 2557235
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Fundamental formulas for the Doolittle method, using zero-order correlation coefficients.
scientific article; zbMATH DE number 2557235

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    Fundamental formulas for the Doolittle method, using zero-order correlation coefficients. (English)
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    1931
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    Verf. stellt drei Methoden zur Errechnung der Koeffizienten einer linearen Regressionsgleichung gegenüber, nämlich: die exakte Methode, die Methode von \textit{Kelley} (Chart to facilitate the calculation of partial coefficients of correlation and regression equations, School of Education, Special Monograph 1, Stanford University Publications, 1921) und die von \textit{Doolittle} (\textit{Wallace, Snedecor}: Correlation and machine calculation, Official Publication 23, Nr. 35, Iowa State College of Agriculture, 1925) für den Fall von drei und vier unabhängigen Variablen. Im ersten Fall ist die exakte Methode rechentechnisch nicht komplizierter als die beiden andern; im zweiten ist die Methode von \textit{Doolittle} überlegen.
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