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

E

eorka333

#1
#1
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.

Many thanks in advance.

Doug
 

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L

Licht

#5
#5
eorka333 said:
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.

Many thanks in advance.

Doug
Click to expand...
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

Miner

Forum Moderator
Leader
Admin
#7
#7
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.
 
B

blackhole

Registered
#8
#8
Miner said:
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.
Click to expand...
i do have the same problem, can somebody help me.
 
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