Hi Dear

This link may be of some use.

http://www.ee.iitb.ac.in/~apte/CV_PRA_TAGUCHI.htm
http://www.ee.iitb.ac.in/~apte/WhyTaguchiMethodTips.htm

Cheers
Faisal





--- razieh kebriaee <razieh_kebriae@...> wrote:

> Mike
> my reference is the book by the name of" experimental design" by
> Davies
> but it doesn't have your exact answer.
> I will look for the other references but it takes time.
> Razie
>
>
> --- On Wed, 11/5/08, mbonnice <michael.bonnice@...> wrote:
> From: mbonnice <michael.bonnice@...>
> Subject: [DOE_DG] Re: Need a reference on L18 arrays
> To: DOE_DG@yahoogroups.com
> Date: Wednesday, November 5, 2008, 8:34 PM
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> Razie,
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> I would like to have the mathematical equations that produce the
> aliasing pattern in an L18
>
> array having seven factors. For instance, I would like to see how
> much of the x3*x4
>
> interaction is confounded with the main effect of x5. I would like
> to see this for all main
>
> effects and two way interactions and three way and higher. Further,
> I would like to know how
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> much of the linear effects are confounded with the second order
> effects.
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> Some Taguchi references show a things called a linear graph. I have
> that information, and do
>
> not need it.
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>
>
> Mike
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Nadimul Haque FAISAL