# ANOVA for Taguchi method - Four factors and three levels and nine runs (Minitab)

E

#### eorka333

Dear all

Please let me know why F value and P value is not appeared in the minitab.

I used the Taguchi with four factors and three levels and nine runs.

If you see the attached file, you can see it.

Doug

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#### Stijloor

Super Moderator
A Quick Bump!

Can someone help?

Thank you very much!!

#### Miner

##### Forum Moderator
Is this a Minitab 17 format? I have Minitab 16 and cannot open the file.

L

#### Licht

Sorry my intromission, but I've converted the file for version 16.

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L

#### Licht

Dear all

Please let me know why F value and P value is not appeared in the minitab.

I used the Taguchi with four factors and three levels and nine runs.

If you see the attached file, you can see it.

Doug
Hi.

Your experiment has 4 factors (A, B, C, D) and each one consumes 2 DF with a total of 8 DF. Then, MSE could not be calculated and it's necessary for calculating the statistics tests (P and F).

regards.

#### Miner

##### Forum Moderator
Licht is correct. I recommend removing factor A from your model. This will free up 2 df for the error term. I recommend using factor A because is has the smallest effect of the 4 factors on the S/N Ratios.

#### blackhole

##### Registered
Licht is correct. I recommend removing factor A from your model. This will free up 2 df for the error term. I recommend using factor A because is has the smallest effect of the 4 factors on the S/N Ratios.
i do have the same problem, can somebody help me.

#### Miner

##### Forum Moderator
i do have the same problem, can somebody help me.
Provide some information and we will try to help.

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