Binary data - zero random effects or not depending on a small change in the level 2 groups
I would say that you have roughly zero variance in both cases. On Thu, Jun 11, 2009 at 8:21 AM, Federico
Calboli<f.calboli at imperial.ac.uk> wrote:
On 11 Jun 2009, at 13:14, Fiona Mary Underwood wrote:
<snip> I get very different results for my random effects depending on whether I use season or year.
Unfortunately I cannot help much, but, does the result change if year is coded as factor or as a continuous variable? what about season? Best, Federico -- Federico C. F. Calboli Department of Epidemiology and Public Health Imperial College, St. Mary's Campus Norfolk Place, London W2 1PG Tel +44 (0)20 75941602 Fax +44 (0)20 75943193 f.calboli [.a.t] imperial.ac.uk f.calboli [.a.t] gmail.com
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