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re: l27 taguchi design

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New Contributor
Posts: 3

re: l27 taguchi design

Hi,

I am trying to make a 4 parameter, 3 level, l27 taguchi design. However the program does not give me 27 unique combinations but a only 9 three times over. Could anyone advice me what I'm doing wrong?

For example I am running a sputter process for my studies with two targets running from 100-300W, varying total chamber pressure and reactive gas mix. I do not want to do a full factorial design as it would mean 81 experiments, but doing the same 9 experiments three time makes no sense.

Thank you

Super User
Posts: 17,828

Re: re: l27 taguchi design

What program? What does your code look like?

New Contributor
Posts: 3

Re: re: l27 taguchi design

I'm still pretty new to this, so I used the standard Taguchi array option under the JMP-12, DOE drop-down menu for making inner and outer arrays from signal and noise factors.

Super User
Posts: 17,828

Re: re: l27 taguchi design

ah...JMP has it's own forum over here, there aren't many JMP users on here.

https://www.jmp.com/forum/

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