Bayes comparison of 2 lognormal reliability functions

A Bayes approach is used to test the equality of two reliability functions when the underlying distributions of the times-to-failure are lognormal. Using the method of moments it is found that a normal approximation of the posterior distribution of the threshold parameter is better than an approxima...

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Veröffentlicht in:	IEEE transactions on reliability 1990-08, Vol.39 (3), p.336-341
Hauptverfasser:	SELBY, M. A, SHOUKRI, M. M
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Operational research and scientific management Operational research. Management science Reliability theory. Replacement problems
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A Bayes approach is used to test the equality of two reliability functions when the underlying distributions of the times-to-failure are lognormal. Using the method of moments it is found that a normal approximation of the posterior distribution of the threshold parameter is better than an approximation based on Student t-distribution. Analytic foundations of the conclusions are provided. (I.E.)
ISSN:	0018-9529 1558-1721
DOI:	10.1109/24.103014