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Finding Significant Factors on World Ranking of e-Governments by Feature Selection Methods over KPIs

  • Simon FongEmail author
  • Yan Zhuang
  • Huilong Luo
  • Kexing Liu
  • Gia Kim
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 545)

Abstract

Computing significant factors quantitatively is an imperative task in understanding the underlying reasons that contribute to a final outcome. In this paper, a case of e-Government ranking is studied by attempting to find the significance of each KPIs which leads to resultant rank of a country. Significant factors in this context are inferred as some degrees of relations between the input variables (which are the KPIs in this case) and the final outcome (the rank). In the past, significant factors were either acquired as first-hand information via direct questioning from users’ satisfaction survey or qualitative inference; typical question is ‘You are satisfied with a particular e-Government service’ by applying a multi-level Likert scale. Respondents answered by choosing one of the following: Strongly agree, Agree, Neutral, Disagree, and Strongly Disagree. The replies are then counted and studied using traditional statistical methods. In this paper, an alternative method by feature selection in data mining is proposed which computes quantitatively the relative importance of each KPI with respective to the predicted class, the rank. The main advantage of feature selection by data mining (FSDM) method is that it considers the cross-dependencies of the variables and how they contribute as a whole predictive model to a particular predicted outcome. In contrast, classical significant factor analysis such as correlogram tells only the strength of correlation between an individual pair of factor and outcome. Another advantage of using data mining method over simple statistic is that the inferred predictive model could be used as a predictor and/or what-if decision simulator; given some values of KPIs a corresponding rank could be guesstimated. A case study of computing significant factors in terms of KPIs that lead to the world rank in from the data of UN e-Government Survey 2010, is presented.

Keywords

e-Government Ranking Analytics Feature Selection Data Mining Principle of Component Analysis 

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Copyright information

© Springer Science+Business Media Singapore 2015

Authors and Affiliations

  • Simon Fong
    • 1
    Email author
  • Yan Zhuang
    • 1
  • Huilong Luo
    • 1
  • Kexing Liu
    • 1
  • Gia Kim
    • 2
  1. 1.Deparment of Computer and Information ScienceUniversity of MacauMacau SARChina
  2. 2.Leaders’ PartnerMelbourneAustralia

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