Statistical Design of Experiments
Statistical Design of Experiments
Interactions
Interactions
Taguchi Approach Treatment Combination Setup
Taguchi Approach Treatment Combination Setup
Columns may be used to test input factors or 2-way
Columns may be used to test input factors or 2-way
-way
way
interaction.
interaction.
Columns used to test 2-way interaction interactions are not
Columns used to test 2-way interaction interactions are not
used to set up treatment combinations.
used to set up treatment combinations.
The interaction column will be used during analysis only.
The interaction column will be used during analysis only.
Recall: A Taguchi Approach Disadvantage is the potential
Recall: A Taguchi Approach Disadvantage is the potential
confounding of an input factor and 2-way interaction.
confounding of an input factor and 2-way interaction.
If Engineering knowledge determines a 2-way interaction
If Engineering knowledge determines a 2-way interaction
interaction to be possible, must test for it to eliminate
interaction to be possible, must test for it to eliminate
confounding.
confounding.
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