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When is it Appropriate to Use/Trust the Distribution Wizard?

A prior HotWire article described how to use the Distribution Wizard in Weibull++. It explained how the Distribution Wizard ranks the various selected models to determine which possible model fits the data the best. It also discussed how each model is analyzed using three methodologies, the Kolmogorov – Smirnov (K-S) Test, a normalized correlation coefficient and the likelihood value associated with the best fit parameters from a maximum likelihood analysis. This is followed by each model being ranked based on each method and a final model ranking being generated from the combination of the individual rankings.

 

In this article, we review several different data sets, analyze them using the Distribution Wizard and then discuss whether the model suggested by the Distribution Wizard is appropriate to use.

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Register Today to Save – 2016 ARS Asia Pacific

Make your plans to attend the ARS Asia Pacific from November 16 - 18, 2016 in Shenzhen, China. Register by August 31st to receive a discount. The program offers a choice of 30 presentations and 2 tutorials (in English and Mandarin, with live simultaneous interpreters available during presentations).

 

Learn more about how you and your organization can benefit from attending by visiting http://www.ARSymposium.org/asia/whyattend.htm.

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For over two decades, reliability practitioners worldwide have been able to successfully reduce warranty costs, save development and test time and improve product reliability and reputation by using ReliaSoft's software. See how reliability experts have enriched their day-to-day work and attained solutions using ReliaSoft products at http://www.ReliaSoft.com/success_stories.htm. If ReliaSoft has helped your organization, we would love to share your experiences to aid and educate other reliability professionals. To share your story, please e-mail us at: reliasoft.info@hbmprenscia.com.

 
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