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Paper Abstract and Keywords
Presentation 2021-10-22 14:25
[Invited Talk] Field Lifetime Data Analysis with Left-truncation and Right-censoring -- Statistical Inference and Reliability Prediction based on Parametric Models --
Takeshi Emura (Kurume Univ.), Hirofumi Michimae (Kitasato Univ.) R2021-31
Abstract (in Japanese) (See Japanese page) 
(in English) In applications of reliability analyses, a dataset may be collected during a period of time to observe failure events. Left-truncation occurrs for failures occurring before the data collection, and right-censoring arises for failures occurring after the data collection period. The goal of the paper is to review the existing models and methods for dealing with left-truncation and right-censoring for field failure data. Our review includes the existing statistical models, such as the exponential, Weibull, lognormal, gamma, Gompertz, Lomax, and spline models. We comprehensively review the statistical method of maximum likelihood estimation, model selection, residual lifetime prediction, and Bayesian methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Censoring / Truncation / Weibull distribution / Survival analysis / Likelihood / Lifetime distribution / Bayesian estimation / Maximum likelihood estimation  
Reference Info. IEICE Tech. Rep., vol. 121, no. 216, R2021-31, pp. 7-12, Oct. 2021.
Paper # R2021-31 
Date of Issue 2021-10-15 (R) 
ISSN Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF R2021-31

Conference Information
Committee R  
Conference Date 2021-10-22 - 2021-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Reliability of Information Communication System, Reliability General 
Paper Information
Registration To R 
Conference Code 2021-10-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Field Lifetime Data Analysis with Left-truncation and Right-censoring 
Sub Title (in English) Statistical Inference and Reliability Prediction based on Parametric Models 
Keyword(1) Censoring  
Keyword(2) Truncation  
Keyword(3) Weibull distribution  
Keyword(4) Survival analysis  
Keyword(5) Likelihood  
Keyword(6) Lifetime distribution  
Keyword(7) Bayesian estimation  
Keyword(8) Maximum likelihood estimation  
1st Author's Name Takeshi Emura  
1st Author's Affiliation Kurume University (Kurume Univ.)
2nd Author's Name Hirofumi Michimae  
2nd Author's Affiliation Kitasato University (Kitasato Univ.)
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Speaker Author-1 
Date Time 2021-10-22 14:25:00 
Presentation Time 60 minutes 
Registration for R 
Paper # R2021-31 
Volume (vol) vol.121 
Number (no) no.216 
Page pp.7-12 
Date of Issue 2021-10-15 (R) 

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