This website uses Cookies. Click Accept to agree to our website's cookie use as described in our Privacy Policy. Click Preferences to customize your cookie settings.
Accept
Reject
Preferences
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Show  only  | Search instead for 
Did you mean: 
Choose Language Hide Translation Bar
Leonard
Leonard
Level III

Cauchy distribution. Where is Process capability button?

Created: Aug 12, 2020 07:45 AM  |  Last Modified: Jun 10, 2023 07:17 PM (2020 views)

Leonard_1-1597232406513.png

Leonard_2-1597232469312.png

Leonard_3-1597232583656.png

Why where is no Process Capability button? Or you can't do it with Cauchy's distribution data.

 

Leonard_0-1597232313682.png

 

0 Kudos
10 REPLIES 10
shampton82
shampton82
Level VII

Re: Cauchy distribution. Where is Process capability button?

Aug 12, 2020 11:32 PM (312 views)  |  Posted in reply to message from Kevin_Anderson 08-12-2020

Is this count data?  If so a couple of ideas: You could turn it into pass/fail based upon your defect limit then convert your defect rate to a Ppk from a sigma-DPMO-Ppk table.  You could also fit it as Poisson and use the distribution profiler to determine what your DPMO rate was (by setting the x axis to your spec limit and using the returned Y value) and convert that into a Ppk. The other option would be to turn your zero's into 0.0001's and then you'll have some additional distributions you can fit.

0 Kudos