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MathGroup Archive 1995

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Mma & ANOVA : package for calculating sums of squares????

  • To: mathgroup at
  • Subject: [mg2229] Mma & ANOVA : package for calculating sums of squares????
  • From: purswell at (J.P. and/or Valerie Purswell)
  • Date: Tue, 17 Oct 1995 02:35:06 -0400
  • Organization: Internet Access Plus

I am trying to do a four-factor repeated measures ANOVA with Mma.  
neither one will give me Sums of Squares of Mean Squares for my main effects 
and interactions.  I have been (rather tediously) collecting data within 
cells, doing the summing and squaring of Sums.  Before I spend another several 
hours on the analysis, I was wondering if anyone else has figured out how to 
get Sums of Squares and Mean Squares from the Regress or Designed Regress 
packages.  I can compose my own F ratios.  

As the design is a repeated-measures or within - subjects design, the 
appropriate error terms are different from the between-subjects or one 
measurement per experimental unit, so I really need the Sums of Squares for 
each effect.   

Alternatively, has anyone written a package that does this?  I've looked 
through mathsource but did not find anything....

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