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Human factors safety is the important safeguard for railway system safety, and the human factors safety evaluation is the core of the railway human factors safety management. In order to evaluate the railway human factors safety state more rational and reliable, the railway human factors safety characteristics were analyzed in detail, and then the evaluation index system was proposed. Then the evaluation...
It is shown that S&T activity has high concentricity in distribution. This paper explores the measurement of the concentricity, which is less considered up to now. Based on empirical analyses this paper has shown that the distribution of statistical data of S&T scale indicators from sample units can be described by lognormal distribution. The paper also introduces concepts of Gini Index used...
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