[R] Difference in ANOVA results - R vs. JMP/Minitab
nirmalg at psu.edu
Thu Nov 20 09:20:53 CET 2003
Thanks for your reply, Prof. Ripley.
> And all of that is explained in the reference on the aov help page.
> Please do stop speculating and start reading.
Well, the reason for speculation was cos I couldn't find any details on
that help page... thanks for letting me know that the reference explains
> AoV has nothing to do with coefficients. There is dummy.coef to get
> uncoded coefficients, and there is options(contrasts=) to set the coding.
Ok, I will try these...
> Yes, you should read a lot more. Chapter 6 of Venables & Ripley (2002)
> and chapter 5 of Chambers & Hastie (1991) would be a good start.
Oh, I most definitely should! :-) .. I guess I was hoping that such
details would be included in the help page for the function or mentioned
in some R introduction or tutorial or so on the Documentation page..
looks like that's not the case so I'll get a hold of the books above...
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