Abstract Details
Activity Number:
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566
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Type:
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Contributed
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Date/Time:
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Wednesday, August 6, 2014 : 2:00 PM to 3:50 PM
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Sponsor:
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Section on Risk Analysis
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Abstract #311341
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Title:
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Breaking the Same Board Twice: The Magic of Statistics!
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Author(s):
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Yanling Cai*+ and James V. Zidek
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Companies:
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University of British Columbia and University of British Columbia
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Keywords:
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size censored measurements ;
penalized maximum likelihood ;
power prior ;
lumber strength ;
reliability ;
competing risks
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Abstract:
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Stresses affect strength properties of a lumber specimen simultaneously. A strong stochastic dependence between these properties would diminish a wooden structure's reliability. Assessing strength relationships is a seemingly insurmountable challenge as every one of these strengths needs a destructive testing to measure. Here is where statistics comes to the rescue. The paper describes a large-scale experiment designed and conducted by Statistics graduate students in a commercial testing lab. It proposes the new theory to infer the stochastic dependence, which applies proof load technique with a penalizing likelihood approach motivated by a Bayesian conjugate prior. The result: asymptotically consistent, more efficient.
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Authors who are presenting talks have a * after their name.
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