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다변량 모형을 이용한 보증데이터 분석 방법 연구
- Issue Date
- 2015
- Publisher
- 대한안전경영과학회
- Keywords
- Warranty Data; Accelerated failure time; AFT model; Tree model; Cox model
- Citation
- 대한안전경영과학회지, v.17, no.2, pp.241 - 247
- Indexed
- KCI
- Journal Title
- 대한안전경영과학회지
- Volume
- 17
- Number
- 2
- Start Page
- 241
- End Page
- 247
- ISSN
- 1229-6783
- Abstract
- The purpose of the warranty data analysis can be classified into two categories. Two goals is a failure cause analysis and life prediction analysis. In this paper first, we applied multivariate analysis method that can be estimated in consideration of various factors on the failure cause warranty data. In particular, we apply the Tree model and Cox model. The advantage of the Tree is easy to interpret this result as compared to other models. In addition Cox model can quantitatively express the risk. Second, this paper proposed a multivariate life prediction model (AFT) considering a variety of factors. By applying the actual warranty data confirmed the usability.
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Collections - Engineering > Department of Systems Management Engineering > 1. Journal Articles
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