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A periodic analysis of longitudinal binary responses: a case study of clinical mastitis in Norwegian Red cows

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Author(s): Chang Yu-mei | Gianola Daniel | Heringstad Bjørg | Klemetsdal Gunnar

Journal: Genetics Selection Evolution
ISSN 0999-193X

Volume: 39;
Issue: 3;
Start page: 249;
Date: 2007;
Original page

Keywords: clinical mastitis | periodic analysis | sinusoidal analysis | threshold model

ABSTRACT
Abstract A Bayesian procedure for analyzing longitudinal binary responses using a periodic cosine function was developed. It was assumed that, after adjustment for "seasonal" effects, the oscillation of the underlying latent variables for longitudinal binary responses was a stationary series. Based on this assumption, a single dimension sinusoidal analysis of longitudinal binary responses using the Gibbs sampling and Metropolis algorithms was implemented in a study of clinical mastitis records of Norwegian Red cows taken over five lactations.
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Tango Jona
Tangokurs Rapperswil-Jona