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After analyzing the essence of the traditional GM(1,1) model, background value was identified as key factor for precision and adaptability of GM(1,1) model, and a novel method was proposed to improve GM(1,1) model. Taking into calculation quantity and error, quadratic curve fitting was adopted to solve the unknown value, and Simpson integral formula was used to replace trapezoidal numerical integration...
This paper investigates the underlying patterns in data derived from the International Tobacco Control Four Country Survey. The intent of the paper is to determine which attributes have the greatest impact on smokers' plans to quit and their attempts to quit. Rule sets are derived using decision tree models and tested on temporal data sets to assess their validity and ability to generalise. Determinant...
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