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- Profiler Set-Up: Output Variable (Y) Importance

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Nov 7, 2017 8:47 AM
(722 views)

In multiple y optimization in a profiler, each y requires it's own desirability function/response goal (max, min, target). But to combine them into a single desirabililty function you have to assign an Importance value to each y. The default value = 1. How does this work? What is the scale?

Thanks, in Advance,

Steve

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Nov 7, 2017 8:56 AM
(1270 views)

The importance does not NEED to be assigned, since the default is 1. However, the importance is just that: importance. So you can determine the scale. Suppose you have Y1 and Y2. If Y1 has an importance of 1 and Y2 has an importance of 2, then Y2 is twice as important as Y1. You would get exactly the same result if you specified importances of 0.5 and 1, 4 and 8, 100 and 200. The scales are relative.

Dan Obermiller

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Nov 7, 2017 8:56 AM
(1271 views)

The importance does not NEED to be assigned, since the default is 1. However, the importance is just that: importance. So you can determine the scale. Suppose you have Y1 and Y2. If Y1 has an importance of 1 and Y2 has an importance of 2, then Y2 is twice as important as Y1. You would get exactly the same result if you specified importances of 0.5 and 1, 4 and 8, 100 and 200. The scales are relative.

Dan Obermiller