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Modified Progressive Type-II Censoring Procedure in Life-Testing under the Weibull Model | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 7، دوره 18، شماره 4، اسفند 2007، صفحه 347-354 اصل مقاله (130.71 K) | ||
| نوع مقاله: Original Paper | ||
| نویسنده | ||
| M. Khodadadi* | ||
| Department of Statistics, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Islamic Republic of Iran | ||
| چکیده | ||
| In this paper we introduce a new scheme of censoring and study it under the Weibull distribution. This scheme is a mixture of progressive Type II censoring and self relocating design which was first introduced by Srivastava [8]. We show the superiority of this censoring scheme (PSRD) relative to the classical schemes with respect to “asymptotic variance”. Comparisons are also made with respect to the total expected time under experiment (TETUE) as an important feature of time and cost saving. These comparisons show that TETUE(SRD) < TETUE(PSRD) < TETUE(PC2) if 0 < β < 1, TETUE(PSRD) = TETUE(SRD) < TETUE(PC2) if β = 1 and TETUE(PSRD) is the best among all the designs if β = 2 (Rayleigh distribution case). | ||
| کلیدواژه‌ها | ||
| Asymptotic variance؛ Fisher information matrix؛ Maximum likelihood؛ Self relocating design (SRD)؛ Total expected time under experiment | ||
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آمار تعداد مشاهده مقاله: 1,625 تعداد دریافت فایل اصل مقاله: 1,485 |
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