NDLI: You can't control the unfamiliar: A study on the relations between aggregation techniques for software metrics

Content Provider	IEEE Xplore Digital Library
Author	Vasilescu, B. Serebrenik, A. van den Brand, M.
Copyright Year	2011
Description	Author affiliation: Technische Universiteit Eindhoven, Den Dolech 2, P.O. Box 513, 5600 MB, The Netherlands (Vasilescu, B.; Serebrenik, A.; van den Brand, M.)
Abstract	A popular approach to assessing software maintainability and predicting its evolution involves collecting and analyzing software metrics. However, metrics are usually defined on a micro-level (method, class, package), and should therefore be aggregated in order to provide insights in the evolution at the macro-level (system). In addition to traditional aggregation techniques such as the mean, median, or sum, recently econometric aggregation techniques, such as the Gini, Theil, Kolm, Atkinson, and Hoover inequality indices have been proposed and applied to software metrics. In this paper we present the results of an extensive correlation study of the most widely-used traditional and econometric aggregation techniques, applied to lifting SLOC values from class to package level in the 106 systems comprising the Qualitas Corpus. Moreover, we investigate the nature of this relation, and study its evolution on a subset of 12 systems from the Qualitas Corpus. Our results indicate high and statistically significant correlation between the Gini, Theil, Atkinson, and Hoover indices, i.e., aggregation values obtained using these techniques convey the same information. However, we discuss some of the rationale behind choosing between one index or another.
Starting Page	313
Ending Page	322
File Size	796934
Page Count	10
File Format	PDF
ISBN	9781457706639
ISSN	10636773
e-ISBN	9781457706646
e-ISBN	9781457706622
DOI	10.1109/ICSM.2011.6080798
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Correlation Software metrics Indexes Econometrics Software Java
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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