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Graphical illustration of the estimated relationship between the log odds of IFEE (‘contribution to log odds’) and day of year.

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posted on 02.12.2014, 03:28 by Debra C. Archer, Deborah A. Costain, Chris Sherlock

The seasonal estimate (parametric) derives from a Generalised Additive Model formulation and is adjusted for horse age (smooth) and the geographical location of the horse/horse owner (smooth). The dotted horizontal line is at log-odds  = 0.