[R-sig-ME] Complete separation example

Ben Bolker bbolker at gmail.com
Tue Mar 4 19:42:52 CET 2014


On 14-03-04 12:20 PM, Vincent Dorie wrote:
> 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 _______________________________________________ 
> R-sig-mixed-models at r-project.org mailing list 
> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
> 

  I think the Culcita example referenced in
http://rpubs.com/bbolker/glmmchapter shows complete separation if one
observation (observation #20) is dropped.  But Jarrod's example may be
cleaner.

  Ben



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