[R-sig-ME] Help

[Douglas Bates]

On Wed, Sep 5, 2012 at 12:21 PM, Federico Calboli
<f.calboli at imperial.ac.uk> wrote:
> 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

Julia may be referring to the Penicillin data set from the lme4
package itself.  (Julie: R is a case-sensitive language so
"Penicillin" is different from "penicillin".)

> 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]]
>>
>> _______________________________________________
>> R-sig-mixed-models at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
>
> --
> 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
>
> _______________________________________________
> R-sig-mixed-models at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models