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billi
Level IV

Type 1 and 2 error in a design

Is there any calculation to understand and reduce Type I and II errors in a design? 

1 ACCEPTED SOLUTION

Accepted Solutions
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Re: Type 1 and 2 error in a design

If you mean to ask how to set alpha for the power analysis to your desired value, the box in the Power Analysis outline is editable.

 

The Full Factorial Design platform does not provide the Design Evaluation outline. In your case, click Make Table, then click the green triangle next to Evaluate Design table script. You will find the Power Analysis outline there.

 

If you are evaluating several candidate designs, proceed to make the data table for each one and then select DOE > Design Diagnostics > Compare Designs. This analysis platform provides a side-by-side comparison of the candidates, including their power.

Learn it once, use it forever!

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4 REPLIES 4
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Re: Type 1 and 2 error in a design

I assume that by "design" you are referring to one of the JMP design platforms such as Custom Design. These platforms provide Power Analysis outline within the Design Evaluation outline. You have to click Make Design first before evaluating it.

 

You might find this related discussion helpful. But please return if you still have more questions!

Learn it once, use it forever!
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billi
Level IV

Re: Type 1 and 2 error in a design

@markbailey Yes, I am working with full factorial design. Just one more question, alpha is set to 0.05 by default or do I need to set it by going into preferences?

Highlighted

Re: Type 1 and 2 error in a design

If you mean to ask how to set alpha for the power analysis to your desired value, the box in the Power Analysis outline is editable.

 

The Full Factorial Design platform does not provide the Design Evaluation outline. In your case, click Make Table, then click the green triangle next to Evaluate Design table script. You will find the Power Analysis outline there.

 

If you are evaluating several candidate designs, proceed to make the data table for each one and then select DOE > Design Diagnostics > Compare Designs. This analysis platform provides a side-by-side comparison of the candidates, including their power.

Learn it once, use it forever!

View solution in original post

Highlighted
billi
Level IV

Re: Type 1 and 2 error in a design

@markbailey Thank you this helps.

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