[R] split plot design with missing plots

[Peter Dalgaard BSA]

"Martin Henry H. Stevens" <HStevens at muohio.edu> writes:

> The output, below, tests All factors over Error: Within. I don't
> understand. I expected Fert to be tested over plot residuals, Seed and
> Seed:Fert tested over plot:Seed residuals, and all else tested over
> Within residuals.
> 
> Can any body help?
> 
> summary(fmc)
> 
> Error: plot
>       Df  Sum Sq Mean Sq
> Fert  1 0.98913 0.98913
> 
> Error: plot:Seed
>       Df  Sum Sq Mean Sq
> Fert  1 0.02016 0.02016

1DF total for these two strata makes me suspect that you put in "plot"
as a numerical variable rather than as a factor.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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