نتایج جستجو برای: type i censoring

تعداد نتایج: 2221056  

Journal: :Mathematics 2023

The lifetime performance index is commonly utilized to assess the of products. Based on testing procedure for products following Chen distribution, an experimental design progressive type I interval censoring determined achieve desired power level while minimizing total cost. For fixed inspection lengths and unfixed number intervals, required intervals sample sizes minimum costs are computed pr...

This paper considers parameter estimations in Lomax distribution under progressive type-II censoring with random removals, assuming that the number of units removed at each failure time has a binomial distribution. The maximum likelihood estimators (MLEs) are derived using the expectation-maximization (EM) algorithm. The Bayes estimates of the parameters are obtained using both the squared erro...

2014
Sadia Anwar Sana Shahab

In this paper the geometric process is used for the analysis of accelerated life testing for MarshallOlkin Extended Exponential (MOEE) distribution using Type II censored data. Assuming that the lifetimes under increasing stress levels form a geometric process, The parameters are estimated by using the maximum likelihood method and the original parameters instead of the developing inference for...

Journal: :Thermal Science 2022

Comparative life tests of a product have received considerable attention in the past few years for measuring relative merits competing duration. In this paper, we are adopting problem estimation and prediction Rayleigh lifetime distributions under joint Type-I censoring scheme. The point interval is formulated with maximum likelihood Bayes methods unknown parameters. Also, Bayesian approach app...

2017
Mohie El-Din M.M

Bayesian predictive functions for future observations from a generalized Pareto distribution based on generalized order statistics are obtained. Two cases are considered unknown one parameter and unknown two parameters. We also consider two cases fixed sample size and random sample size. The Bayesian predictive functions are specialized to ordinary order statistics, progressive type II censorin...

2008
Fritz Scholz

This note discusses and illustrates the use of Weibull probability paper for complete samples and for the special kind of censoring known as type II censoring. In the latter case the observed lifetimes consist of the r lowest values of the sample, the remaining unobserved lifetimes all being higher. Three blanks for 1 Cycle Log, 2 Cycle Log and 3 Cycle Log scales on the measurement abscissa are...

Journal: :Biometrics 2001
C E Frangakis D B Rubin

We investigate the use of follow-up samples of individuals to estimate survival curves from studies that are subject to right censoring from two sources: (i) early termination of the study, namely, administrative censoring, or (ii) censoring due to lost data prior to administrative censoring, so-called dropout. We assume that, for the full cohort of individuals, administrative censoring times a...

2008
Sundarraman Subramanian Dipankar Bandyopadhyay

We derive the asymptotic distributions of a semiparametric Dikta-type estimator and an inverse probability weighted type estimator of a survival function for a missing censoring indicator left truncated model and provide a theoretical comparison study.

Journal: :CoRR 2017
Jwo-Yuh Wu Ming-Hsun Yang Tsang-Yi Wang

To strike a balance between energy efficiency and data quality control, this paper proposes a sensor censoring scheme for distributed sparse signal recovery via compressive-sensing based wireless sensor networks. In the proposed approach, each sensor node employs a sparse sensing vector with known support for data compression, meanwhile enabling making local inference about the unknown support ...

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