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    J Clin Chem Clin Biochem. 1988 Nov;26(11):783-90.

    A general regression procedure for method transformation. Application of linear regression procedures for method comparison studies in clinical chemistry, Part III.

    Source

    Biometrie Diagnostica, Boehringer Mannheim GmbH, Mannheim.

    Abstract

    The biometrical treatment of laboratory data may require the estimation of a regression line for the transformation of one set of measurements to another. The regression procedure introduced in part I (1) of our work does not always yield unbiased results in such situations, since its estimators are not scale invariant. In part III we present the parameter estimation of a general regression equation which is scale invariant and retains all properties of the method comparison procedure, in particular its robustness. Its application is demonstrated by several examples, and the results are compared with other robust biometrical procedures. The mathematical aspects are explained in the appendix.

    PMID:
    3235954
    [PubMed - indexed for MEDLINE]

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