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Jul 14, 2009 1:58 PM
(934 views)

I am evaluating three outcome variables from a 2^(7-3) fractional factorial experiment. All three variables seem to have the same significant parameters, three main effects.

I have run the dataset in both DesignExpert and JMP 8. I get essentially the same results from both in terms of parameter estimates, but not for the intercept.

Does anyone have experience from both software packages and any insight in if this is a mistake on my behalf, or built-in differences?

5 REPLIES

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Jul 15, 2009 7:26 AM
(919 views)

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Jul 15, 2009 9:36 AM
(919 views)

Do the sums of squares match?

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Jul 15, 2009 7:49 PM
(919 views)

I will have to check the sums of squares.

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Jul 16, 2009 6:49 AM
(919 views)

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Jul 16, 2009 7:11 AM
(919 views)

I haven't tried it yet, but this is the obvious answer.

I very much appreciate it.

/Anders