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- Title
THEORETICAL ASPECTS OF TOTAL TIME ON TEST TRANSFORM OF WEIGHTED VARIABLES AND APPLICATIONS.
- Authors
ESFAHANI, MOJTABA; MOHTASHAMI-BORZADARAN, GHOLAM REZA; AMINI, MOHAMMAD
- Abstract
Although the total time on test (TTT) transform is not a newly discovered concept, it has many applications in various fields. On the other hand, weighted distributions are extensively developed by the statisticians to tackle the insufficiency of the standard statistical distributions in modeling the arising data from real-world problems in the contexts like medicine, ecology, and reliability engineering. This paper develops the TTT transform for the weighted random variables and investigates the behavior of the failure rate function of such variables based on the TTT transform. In addition, the conditions for establishing the TTT transform ordering for weight variables and its relationship with some stochastic orders have been investigated, and the conditions for establishing the TTT transform order as well as the presentation of the new better than used in total time on test transform (NBUT) class of the weighted variables have also been studied. Finally, by analyzing the real data sets, applications of the transform introduced in the fit of a model is presented, and it is shown that weighted models have a significant advantage over the base models.
- Subjects
STOCHASTIC orders; RELIABILITY in engineering; RANDOM variables; DISTRIBUTION (Probability theory); TIME management; HOUGH transforms
- Publication
Kybernetika, 2023, Vol 59, Issue 2, p209
- ISSN
0023-5954
- Publication type
Article
- DOI
10.14736/kyb-2023-2-0209