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Full-Text Articles in Physical Sciences and Mathematics
Creating A User Satisfaction Index From A Parsimonious Survey Instrument, Brian Barthel
Creating A User Satisfaction Index From A Parsimonious Survey Instrument, Brian Barthel
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In this paper we present a comprehensive method for creating a user satisfaction index using a survey instrument. First we construct a parsimonious survey instrument, using the PageRank Centrality, to measure attributes of user satisfaction. Then confirmatory factor analysis is applied to extract ``weights'' on the questions that are used in a linear model of computing the user satisfaction index. Throughout the paper an analysis of an existing data set is implemented to illustrate the proposed method. In addition the validity of the confirmatory factor model is tested using bootstrap sampling.
A Comparison Of Smale Spaces And Laminations Via Inverse Limits, Rebecca Elizabeth Targove
A Comparison Of Smale Spaces And Laminations Via Inverse Limits, Rebecca Elizabeth Targove
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Inverse limits began as a purely topological concept, but have since been applied to areas such as dynamical systems and manifold theory. R.F. Williams related inverse limits to dynamical systems by presenting a construction and realization result relating expanding attractors to inverse limits of branched manifolds. Wieler then adapted these results for Smale Spaces with totally disconnected local stable sets. Rojo used tiling space results to relate inverse limits of branched manifolds to codimension zero laminations. This paper examines the results of Wieler and Rojo and shows that they are analogous.