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Include other distributions in the calculation of cpk (not just the normal distribution)

What inspired this wish list request? Today, Process screening plateform assume only normal distribution.

 

What is the improvement you would like to see? Integrate all others calculation (percentiles) for non normal distribution.

 

 

Why is this idea important? To have a better plateform.

1 Comment
hogi
Level XI

take the center part of a distribution to fit sigma - and then extrapolate to 6 sigma
-> dangerous.