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billi
billi
Level V

non parametric tolerance interval

Jun 17, 2019 01:28 PM (2591 views)

I am trying to calculate tolerance interval. However, my data is not normal so I selected nonparametric method bu it gives me an error "Unable to calculate this tolerance interval". Do I need to select some other option to use non-parametric method?

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2 REPLIES 2
dpiotrowski
dpiotrowski
Level I

Re: non parametric tolerance interval

Apr 14, 2020 04:53 PM (2235 views)  |  Posted in reply to message from billi 06-17-2019
I am also receiving this error message when using JMP 14.0.0
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Laura_Lancaster
Staff Laura_Lancaster
Staff

Re: non parametric tolerance interval

Apr 15, 2020 09:17 AM (2221 views)  |  Posted in reply to message from billi 06-17-2019

The new warning message you see starting with JMP 15.0 gives more information and says, "Unable to calculate this tolerance interval with given sample size, confidence level, and coverage proportion."  Additionally, more information on how to get ad adequate sample size for your nonparametric tolerance interval is found in the statistical details in the JMP help. See https://www.jmp.com/support/help/en/15.1/index.shtml#page/jmp/tolerance-intervals-2.shtml#ww1685553.