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ISSN : 1229-6783(Print)
ISSN : 2288-1484(Online)
Journal of the Korea Safety Management & Science Vol.17 No.2 pp.241-247
DOI : https://doi.org/10.12812/ksms.2015.17.2.241

A Study on Analysis Method of Warranty Data Using Multivariate Model

Jong-Gurl Kim*,Ki-Woo Sung*
*Dept. of Industrial Engineering, Sungkyunkwan University
†Corresponding Author : Jong Gurl Kim, Sungkyunkwan University, Industrial Engineering.
Suwon, Gyeonggi-do, E-mail: jgkim@skku.ed
April 19, 2015 June 18, 2015 June 20, 2015.

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.
Warranty Data, Accelerated failure time, AFT model, Tree model, Cox model

다변량 모형을 이용한 보증데이터 분석 방법 연구

김종걸*,성기우*
*성균관대학교 산업공학과

초록

 

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Reference

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