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2010 IEEE International Conference on Software Maintenance (2010)
Timi oara, Romania
Sept. 12, 2010 to Sept. 18, 2010
ISBN: 978-1-4244-8630-4
pp: 1-9
Alexander Serebrenik , Technische Universiteit Eindhoven, Den Dolech 2, P.O. Box 513, 5600 MB, The Netherlands
Mark van den Brand , Technische Universiteit Eindhoven, Den Dolech 2, P.O. Box 513, 5600 MB, The Netherlands
ABSTRACT
We propose a new approach to aggregating software metrics from the micro-level of individual artifacts (e.g., methods, classes and packages) to the macro-level of the entire software system. The approach, Theil index, is a well-known econometric measure of inequality. The Theil index allows to study the impact of different categorizations of the artifacts, e.g., based on the development technology or developers' teams, on the inequality of the metrics values measured. We apply the Theil index in a series of experiments. We have observed that the Theil index and the related notions provide valuable insights in organization and evolution of software systems, as well as in sources of inequality.
INDEX TERMS
CITATION

A. Serebrenik and M. van den Brand, "Theil index for aggregation of software metrics values," 2010 IEEE International Conference on Software Maintenance(ICSM), Timi oara, Romania, 2010, pp. 1-9.
doi:10.1109/ICSM.2010.5609637
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