Results 21 to 30 of about 74,418 (293)
A simple method for estimating the Lorenz curve
Humanities & Social Sciences Communications, 2021 Given many popular functional forms for the Lorenz curve do not have a closed-form expression for the Gini index and no study has utilized the observed Gini index to estimate parameter(s) associated with the corresponding parametric functional form, a ...
Thitithep Sitthiyot, Kanyarat Holasut
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Mathematics, 2020 The purpose of this paper is to derive analytic expressions for the multivariate Lorenz surface for a relevant type of models based on the class of distributions with given marginals described by Sarmanov and Lee.
José María Sarabia, Vanesa Jorda
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A Novel Lifetime Model With A Bathtub-Shaped Hazard Rate: Properties & Applications
Journal of Applied Science and Engineering, 2022 A novel three-parameter lifetime model called the Marshall Olkin power Ailamujia (MOPA) distribution is developed. The statistical qualities and reliability characteristics of the proposed model are examined, including moment, generating function ...
Abdullah H. Al-nefaie, Ibrahim E. Ragab
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GROSS INLAND ENERGY CONSUMPTION INEQUALITY IN EUROPE: AN EMPIRICAL APPROACH
Revista de Economía Mundial, 2018 This paper analyses the gross inland energy consumption (EC) in the European Union countries (EU-15) over the period 2005-2014. The standard tools in the measurement of income inequality such as Lorenz curves, Gini index, Generalized Entropy indices and ...
Marta Pascual Sáez +2 more
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Lorenz Curves, Size Classification, and Dimensions of Bubble Size Distributions
Entropy, 2009 Lorenz curves of bubble size distributions and their Gini coefficients characterize demixing processes. Through a systematic size classification, bubble size histograms are generated and investigated concerning their statistical entropy.
Sonja Sauerbrei
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Tsallis Log-Scale-Location Models. Moments, Gini Index and Some Stochastic Orders
Mathematics, 2021 In this article we give theoretical results for different stochastic orders of a log-scale-location family which uses Tsallis statistics functions. These results describe the inequalities of moments or Gini index according to parameters.
Vasile Preda, Luigi-Ionut Catana
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Journal of the Egyptian Public Health Association, 2021 Background Improvement in maternal healthcare is a public health priority. Unfortunately, in spite of the efforts made over time regarding universal coverage, there remain issues with accessibility and use of healthcare services up to now. In this study,
Michael Ekholuenetale, Amadou Barrow
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An Exponential Family of Lorenz Curves [PDF]
Southern Economic Journal, 2001 A new method for building parametric‐functional families of Lorenz curves, generated from an initial Lorenz curve (which satisfies some regularity conditions), is presented. The method is applied to the exponential family since they use the exponential Lorenz curves as their generating curves.
Sarabia Alegría, José María +2 more
openaire +2 more sources
Engel Elasticities Derived from Lorenz and Concentration Curves: Case of Latvia
Lithuanian Journal of Statistics, 2011 Using information from a household budget survey of the Central Statistical Bureau of Latvia and with thehelp of the estimation of Lorenz curves of total consumption expenditure and consumption expenditure concentration curvesof separate groups of goods,
Ilze Balode
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Robust Spot Melting by 3D Spot Arrangements in Electron Beam Powder Bed Fusion
Advanced Engineering Materials, EarlyView.This work proposes an approach to replace separately melted contours for spot melting in electron beam powder fusion. Adapting the spot arrangements close to the contour combined with stacking yields a comparable surface quality without the inherent challenges of separate contours, as demonstrated, by electron optical images and roughness measurements.
Tobias Kupfer +4 more
wiley +1 more source