Data quality in empirical software engineering: a targeted review

Bosu, Michael Franklin and MacDonell, Stephen G. (2013) Data quality in empirical software engineering: a targeted review. 17th International Conference on Evaluation and Assessment in Software Engineering , Recife, Brazil, 14 - 16 April, 2013 .

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Official URL: http://dl.acm.org/citation.cfm?id=2461024

Abstract or Summary

Context: The utility of prediction models in empirical software engineering (ESE) is heavily reliant on the quality of the data used in building those models. Several data quality challenges such as noise, incompleteness, outliers and duplicate data points may be relevant in this regard. Objective: We investigate the reporting of three potentially influential elements of data quality in ESE studies: data collection, data pre-processing, and the identification of data quality issues. This enables us to establish how researchers view the topic of data quality and the mechanisms that are being used to address it. Greater awareness of data quality should inform both the sound conduct of ESE research and the robust practice of ESE data collection and processing. Method: We performed a targeted literature review of empirical software engineering studies covering the period January 2007 to September 2012. A total of 221 relevant studies met our inclusion criteria and were characterized in terms of their consideration and treatment of data quality. Results: We obtained useful insights as to how the ESE community considers these three elements of data quality. Only 23 of these 221 studies reported on all three elements of data quality considered in this paper. Conclusion: The reporting of data collection procedures is not documented consistently in ESE studies. It will be useful if data collection challenges are reported in order to improve our understanding of why there are problems with software engineering data sets and the models developed from them. More generally, data quality should be given far greater attention by the community. The improvement of data sets through enhanced data collection, pre-processing and quality assessment should lead to more reliable prediction models, thus improving the practice of software engineering.

Item Type:Paper presented at a conference, workshop or other event, and published in the proceedings
Keywords that describe the item:software process models, software quality assurance
Subjects:Q Science > QA Mathematics > QA76 Computer software
Divisions:Schools > Centre for Business, Information Technology and Enterprise > School of Information Technology
ID Code:4943
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Deposited On:13 Dec 2016 20:14
Last Modified:13 Dec 2016 20:14

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