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Process Screening Process Capability

alisa_h_lowery

The Process Screening platform assumes a normal distribution in the Process Capability reports. Since that is not a good assumption for all processes, can the platform honor the Process Capability Distribution in Column Properties when calculating Process Capability indices?

Status: Acknowledged

Comments

mia_stephens

@alisa_h_lowery , see the Jira, which has had some discussion. To help with prioritization, please add additional information - named customers, use cases, how customers are currently working around this,...

Thanks!

Mia

alisa_h_lowery

@mia_stephens , I recently built a customized Cpk report using Enhanced Log & the Process Screening platform for Bridgestone Firestone Fibers. They have not purchased yet. I really like the Process Screening platform because of the Process Performance Graph, but I don't use it/demo it often because you should always make sure the distribution is correct & not always assume normality before doing a Process Capability analysis unlike the Process Capability platform where you can set the distribution.

Sarah-Sylvestre

Including this note from Valérie on a similar request in the public wish list.

"In JMP 19 the platform [process screening] will supports Exponential, Gamma, Weibull, and Log-normal, though not the Capability measures that the Process Capability Platform supports. In addition, it will support count data".