Weibull Alpha or shape factor from Fit Parametric Survival

FrequencyBison9 — Thu, 08 Aug 2024 00:31:25 GMT

I am plotting a Weibull fit to "Time" with a location parameter "B" ("B" has several values) using the Fit Parametric Survival. I have made the "B" variable as numerical and nominal. The parameter estimates from the weibull fit gives me estimates but I can't figure out if these are the shape factors of the Weibull fits to each "B" value. How do I get the shape factor in Fit Parametric Survival plots?

Re: Weibull Alpha or shape factor from Fit Parametric Survival

peng_liu — Thu, 08 Aug 2024 21:06:02 GMT

Please check out "Weibull" from this documentation: https://www.jmp.com/support/help/en/18.1/?os=win&source=application#page/jmp/statistical-details-for-distributions-2.shtml#ww1553215

Weibull shape parameter is 1/sigma, where sigma is from Parametric Survival report.

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Weibull Alpha or shape factor from Fit Parametric Survival

Re: Weibull Alpha or shape factor from Fit Parametric Survival