Robust stochastic frontier analysis: a Student’s t-half normal model with application to highway maintenance costs in England
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Productivity Analysis"
DOI: 10.1007/s11123-018-0541-y
Abstract: The presence of outliers in the data has implications for stochastic frontier analysis, and indeed any performance analysis methodology, because they may lead to imprecise parameter estimates and, crucially, lead to an exaggerated spread of… read more here.
Keywords: stochastic frontier; model; distribution; half normal ... See more keywords
Quantile estimation of stochastic frontier models with the normal–half normal specification: A cumulative distribution function approach
Sign Up to like & getrecommendations! Published in 2021 at "Economics Letters"
DOI: 10.1016/j.econlet.2021.109998
Abstract: Abstract In this paper, based on the cumulative distribution function (CDF) method (Jradi et al., 2021) for finding the optimal quantile when estimating stochastic frontier models (SFM) with normal–exponential composite error term, we derive an expression… read more here.
Keywords: stochastic frontier; cumulative distribution; frontier models; normal half ... See more keywords
Bias-corrected maximum likelihood estimation of the parameters of the generalized half-normal distribution
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Statistical Computation and Simulation"
DOI: 10.1080/00949655.2017.1413649
Abstract: ABSTRACT Cooray and Ananda introduced a two-parameter generalized Half-Normal distribution which is useful for modelling lifetime data, while its maximum likelihood estimators (MLEs) are biased in finite samples. This motivates us to construct nearly unbiased… read more here.
Keywords: bias corrected; generalized half; half normal; normal distribution ... See more keywords
The Modified-Half-Normal distribution: Properties and an efficient sampling scheme
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DOI: 10.1080/03610926.2021.1934700
Abstract: We introduce a new family of probability distributions that we call the Modified-Half-Normal distributions. It is supported on the positive part of the real line with its probability density propor... read more here.
Keywords: properties efficient; modified half; distribution properties; normal distribution ... See more keywords
Clinical efficacy of open‐irrigated electrode cooled with half‐normal saline for initially failed radiofrequency ablation of idiopathic outflow tract ventricular arrhythmias
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cardiovascular Electrophysiology"
DOI: 10.1111/jce.14057
Abstract: Acute failure of radiofrequency ablation (RFA) of ventricular arrhythmias (VAs) occur in 10%‐20% of patients and is partly attributed to inadequate lesion depth acquired with standard ablation protocols. Half‐normal saline (HNS)‐irrigation is a promising strategy… read more here.
Keywords: ablation; half normal; ventricular arrhythmias; normal saline ... See more keywords
Ex‐vivo histopathologic examination of irrigated radiofrequency ablation utilizing half‐normal saline of the human heart
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Cardiovascular Electrophysiology"
DOI: 10.1111/jce.15840
Abstract: Radiofrequency ablation (RFA) utilizing half‐normal saline (HNS) irrigation is a promising intervention to circumvent commonly encountered limitations during radiofrequency ablation of deep myocardial substrate. Few studies to date have analyzed the morphologic changes in the… read more here.
Keywords: radiofrequency; utilizing half; normal saline; radiofrequency ablation ... See more keywords
Estimate Stress-Strength Reliability Model Using Rayleigh and Half-Normal Distribution
Sign Up to like & getrecommendations! Published in 2021 at "Computational Intelligence and Neuroscience"
DOI: 10.1155/2021/7653581
Abstract: In the field of life testing, it is very important to study the reliability of any component under testing. One of the most important subjects is the “stress-strength reliability” term which always refers to the… read more here.
Keywords: strength; stress strength; normal distribution; half normal ... See more keywords
An Asymmetric Distribution with Heavy Tails and Its Expectation-Maximization (EM) Algorithm Implementation
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DOI: 10.3390/sym11091150
Abstract: In this paper we introduce a new distribution constructed on the basis of the quotient of two independent random variables whose distributions are the half-normal distribution and a power of the exponential distribution with parameter… read more here.
Keywords: expectation maximization; half normal; asymmetric distribution; maximization algorithm ... See more keywords
Reliability Estimation for Stress-Strength Model Based on Unit-Half-Normal Distribution
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14040837
Abstract: Many lifetime distribution models have successfully served as population models for risk analysis and reliability mechanisms. We propose a novel estimation procedure of stress–strength reliability in the case of two independent unit-half-normal distributions can fit… read more here.
Keywords: reliability; unit half; estimation; stress strength ... See more keywords