On Mar 14, 2011, at 17:57 , Giles Crane wrote:
> Greetings,
>
> The aov() function may mislabel
> the random effects as in the example below:
> Has anybody else noticed this?
What's "mislabeled" about it??? Looks like you nave an unbalanced
design (in which case, aov() may be the wrong tool.)
-pd
>
> Cordially,
> Giles Crane, MPH, ASA, NJPHA
> gilescrane at verizon.net
>
> > m2
>
> Call:
> aov(formula = y ~ ap + pe + Error(ju), data = d)
>
> Grand Mean: 77.50667
>
> Stratum 1: ju
>
> Terms:
> ap
> Sum of Squares 4322.538
> Deg. of Freedom 12
>
> 13 out of 25 effects not estimable
> Estimated effects may be unbalanced
>
> Stratum 2: Within
>
> Terms:
> ap pe Residuals
> Sum of Squares 7047.885 255.034 2981.290
> Deg. of Freedom 25 2 35
>
> Residual standard error: 9.229285
> Estimated effects may be unbalanced
>
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--
Peter Dalgaard
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com