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Agronomy Journal Abstract -

Use of Regression Residuals in the Calculation of Orthogonal Polynomial Coefficients1


This article in AJ

  1. Vol. 60 No. 2, p. 195-197
    Received: Aug 14, 1967

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  1. F. B. Cady and
  2. W. A. Fuller2



A method is presented for calculating orthogonal polynomial coefficients when the levels of the independent variable are not equally spaced and(or) replicated. The coefficients may be found by using a standard regression computer program or by means of a hand calculator. The method is based on the orthogonality between the computed residuals and the independent variables in a regression analysis.

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