Hi
I haven't received any ideas yet - I just wanted to confirm if this is a
simple question? Should I follow the idea of checking if slope +- stddev
slope overlap?
Thanks,
Rainer
Rainer M Krug wrote:
> Hi
>
> I have (8 measures * 96 groups) = 768 datasets for which I did linear
> regressions using lm().
>
> Now I want to compare the slopes for each of the 8 measures in each of
> the 96 groups. As I understand , I can not use
>> anova(lm1, ..., lm8)
> as the lm1 ... lm8 are based on different datasets.
>
> I also read in previous discussions in this list, that I can see if the
> slope +- stddev(slope) overlap, but this seems a long process for the
> huge number of comparisons.
>
> Therefore my question: is there a way to compare the slopes of lm()
> which are based on different datasets and what is the easiest way to do
> it for this large number of datasets?
>
> Thanks in advance for your help,
>
> Rainer
>
--
Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation
Biology (UCT)
Department of Conservation Ecology and Entomology
University of Stellenbosch
Matieland 7602
South Africa
Tel: +27 - (0)72 808 2975 (w)
Fax: +27 - (0)21 808 3304
Cell: +27 - (0)83 9479 042
email: [EMAIL PROTECTED]
[EMAIL PROTECTED]
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