Applications of Bayesian Hierarchical Models in Gene Expression and Product Reliability
Başlık:
Applications of Bayesian Hierarchical Models in Gene Expression and Product Reliability
Yazar:
Mittman, Eric T., author.
ISBN:
9780438074736
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (134 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
Advisors: Jarad Niemi Committee members: Peng Liu; William Q. Meeker; Dan Nettleton; Steve Vardeman.
Özet:
Advances in modern computing have encouraged statisticians to fit larger and larger models to larger and more complex data sets. Bayesian hierarchical models are a class of models, suitable for a wide range of applications, that offer the analyst flexibility and for which general strategies for inference have been developed. In this work, we present two such models, both motivated by real applications, and develop methodologies for performing inference.
First, we present a Bayesian nonparametric hierarchical regression model for gene expression profiling data. In gene profiling studies, a relatively small number of observational units produce data used to test hypotheses for tens of thousands of genes. This is an "n much smaller than p" problem with the potential of producing many incorrect results, due to random noise. To mitigate this problem, we propose a nonparametric model which considers the set of regression parameters for each gene as independent, identically distributed random variables, having a joint distribution with an unspecified form.
Second, we present a method for estimation of lifetime for populations exhibiting heterogeneity due to infant mortality. Specifically, we consider the case where multiple such populations are of interest and information for some populations is limited by censoring and truncation. We demonstrate our method on a large set of field reliability data collected on hard drives.
Notlar:
School code: 0097
Konu Başlığı:
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(678149.1) | 678149-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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