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A Study of the Effect of Data Normalization on Software and Information Quality Assessment
Linnaeus University, Faculty of Technology, Department of Computer Science.ORCID iD: 0000-0003-1173-5187
Linnaeus University, Faculty of Technology, Department of Computer Science. (Software Technology Labs)ORCID iD: 0000-0002-7565-3714
Linnaeus University, Faculty of Technology, Department of Computer Science.ORCID iD: 0000-0003-1154-5308
Linnaeus University, Faculty of Technology, Department of Computer Science.ORCID iD: 0000-0001-5335-5196
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2013 (English)In: Software Engineering Conference (APSEC, 2013 20th Asia-Pacific), IEEE Press, 2013, p. 55-60Conference paper, Published paper (Refereed)
Abstract [en]

Indirect metrics in quality models define weighted integrations of direct metrics to provide higher-level quality indicators. This paper presents a case study that investigates to what degree quality models depend on statistical assumptions about the distribution of direct metrics values when these are integrated and aggregated. We vary the normalization used by the quality assessment efforts of three companies, while keeping quality models, metrics, metrics implementation and, hence, metrics values constant. We find that normalization has a considerable impact on the ranking of an artifact (such as a class). We also investigate how normalization affects the quality trend and find that normalizations have a considerable effect on quality trends. Based on these findings, we find it questionable to continue to aggregate different metrics in a quality model as we do today.

Place, publisher, year, edition, pages
IEEE Press, 2013. p. 55-60
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-29111DOI: 10.1109/APSEC.2013.112ISI: 000358735300010Scopus ID: 2-s2.0-84897375342ISBN: 978-1-4799-2143-0 (print)OAI: oai:DiVA.org:lnu-29111DiVA, id: diva2:652617
Conference
International Workshop on Quantitative Approaches to Software Quality,(QuASoQ 2013), Bangkok, Thailand, December 2, 2013
Available from: 2013-10-01 Created: 2013-10-01 Last updated: 2018-02-16Bibliographically approved

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Ericsson, MorganLöwe, WelfOlsson, TobiasToll, DanielWingkvist, Anna

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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