This paper is concerned with the method of estimating lifetime distribution for field data in warranty period and for a situation where some additional field data can be gathered after the warranty period. Implementing the proposed methods in this paper will result in obtaining the more precise product life time estimation and product improvement.

ABSTRACT
 1. 서론
 2. 수명분포 기본모형
  2.1 이론적 모형
  2.2 보존기간과 자료의 형태
  2.3 우도함수 및 최우추정량
 3. 예제 및 비교분석
  3.1 고장데이타 및 결과
  3.2 비교 및 분석
  3.3 P1 값을 모르는 경우
 4. 결론
 참고문헌

• 김종걸
• 최영진
• 정연승