Message-ID: <20140304172841.21042migbdcbutq8@www.staffmail.ed.ac.uk>
Date: 2014-03-04T17:28:41Z
From: Jarrod Hadfield
Subject: Complete separation example
In-Reply-To: <95F3854F-F2A0-4AD6-B0BD-AE3B3CCEEBFF@nyu.edu>
Hi Vince,
Sex effect on horn type in Soay sheep is completely separated (the
trait is partly sex-limited):
data(SShorns)
m1<-glm(I(horn=="polled")~sex, data=SShorns, family=binomial)
Cheers,
Jarrod
Quoting Vincent Dorie <vjd4 at nyu.edu> on Tue, 4 Mar 2014 12:20:41 -0500:
> Hi list, can anyone point me to a data set that exhibits complete or
> quasi-complete separation when fit as a glmm? It's for a vignette,
> so something public would be ideal.
>
> With thanks,
> Vince
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