نتایج جستجو برای: معیار gini
تعداد نتایج: 30032 فیلتر نتایج به سال:
We correct a proof given in [1] for the one-parameter family of Gini means, and point out general remarks on the general Gini means. 2000 Mathematical Subject Classification: 26D15, 26D99
BACKGROUND To examine the interaction between social income inequality, social integration, and health status among internal migrants (IMs) who migrate between regions in China. METHODS We used the data from the 2014 Internal Migrant Dynamic Monitoring Survey in China, which sampled 15,999 IMs in eight cities in China. The Gini coefficient at the city level was calculated to measure social in...
background: one of the important aspects of equity in health is equality in the distribution of resources in this sector. the present study aimed to assess the distribution of hospital beds in shiraz in 2014. methods: in this retrospective cross-sectional study, the population density index and fair distribution of beds were analyzed by lorenz curve and gini coefficient, respectively. descrip...
background: timely access to cardiovascular health services is necessary to prevent heart damages. the present study examined inequality in geographical distribution of cardiovascular health services in iran. methods: present study is a cross-sectional study conducted using demographic data from all iranian provinces (31 provinces) from 2012 census by the statistics center of iran (sci). the ...
The Gini index is one of the most used indicators of social and economic inequality. In this paper we characterize the Gini index as the unique function that satis es the properties of scale independence, symmetry, standardization and separability. Furthermore, we propose a simpler way to compute it. Keywords: Gini index; income inequality; axiomatization. JEL Classi cation: D31, D63, I31. 1 In...
Rapidly growing product lines and services require a finer-granularity forecast that considers geographic locales. However the open question remains, how to assess the quality of a spatio-temporal forecast? In this manuscript we introduce a metric to evaluate spatio-temporal forecasts. This metric is based on an Optimal Transport (OT) problem. The metric we propose is a constrained OT objective...
Evidence for variable selection bias in classification tree algorithms based on the Gini Index is reviewed from the literature and embedded into a broader explanatory scheme: Variable selection bias in classification tree algorithms based on the Gini Index can be caused not only by the statistical effect of multiple comparisons, but also by an increasing estimation bias and variance of the spli...
BACKGROUND One of the important aspects of equity in health is equality in the distribution of resources in this sector. The present study aimed to assess the distribution of hospital beds in Shiraz in 2014. METHODS In this retrospective cross-sectional study, the population density index and fair distribution of beds were analyzed by Lorenz curve and Gini coefficient, respectively. Descripti...
Jansen, H.G.P., 1992. Gini's coefficient of mean difference as a measure of adoption speed: theoretical issues and empirical evidence from India. Agric. Econ., 7: 351-369. This paper represents a variant on the empirical analysis of technological adoption by Griliches. It follows up on previous research regarding the potential of the Gini coefficient of mean difference as a distribution-free me...
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