[R-sig-ME] Help

[Federico Calboli]

On 4 Sep 2012, at 22:52, Julie Webbs <webbsjulie at gmail.com> wrote:

> Dear Sir/madam
> 
> I am using* **Package 'lme4*'. in R, I wonder whether the variances
> reported , say in penicillin, are the variance components that we estimate
> in SPSS ( Analyze>General linear model> Variance Component).

I, and I suspect many on this list, have no access

-- to SPSS
-- to the data you are talking about

It would be helpful if you could provide

1) the data
2) the model you are using and the results from SPSS
3) the modle and results from your analysis with lme4

and then ask a reasonable question, such as, 'I assume that I am specifying the same model in R and SPSS, but my results differ, could someone help me understand whether I am wrong assuming that I am specifying the same model, or what is going on otherwise?', or, 'SPSS spits out this estimate, how do I get it with lme4?'

HTH

F


> 
> Many thanks, looking forward to hearing from you.
> 
> Julie
> 
> 	[[alternative HTML version deleted]]
> 
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--
Federico C. F. Calboli
Neuroepidemiology and Ageing Research
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