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Problems in fitting a cosine curve
R Hildebrand1, I Haubitz, M Schultz
1Anatomisches Institut, Universität zu Köln, Federal Republic of Germany.
Chronobiology International
|January 1, 1984
Abstract:
In fitting of cosine curves latent experimental inequalities due to a serial effect have to be excluded. Though cosinor analysis may be sufficient then, inclusion of biological time, i.e. not fitting values to time but to a function of time, will lead to further improvement.