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. 2005 Oct;2(10):e267.
doi: 10.1371/journal.pmed.0020267. Epub 2005 Sep 6.

Data cleaning: detecting, diagnosing, and editing data abnormalities

Jan Van den Broeck  1 , Solveig Argeseanu Cunningham, Roger Eeckels, Kobus Herbst
Affiliations

Data cleaning: detecting, diagnosing, and editing data abnormalities

Jan Van den Broeck et al. PLoS Med. 2005 Oct.

Abstract

In this policy forum the authors argue that data cleaning is an essential part of the research process, and should be incorporated into study design.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. A Data-Cleaning Framework
(Illustration: Giovanni Maki)
Figure 2
Figure 2. Areas within the Range of a Continuous Variable Defined by Hard and Soft Cutoffs for Error Screening and Diagnosis, with Recommended Diagnostic Steps for Data Points Falling in Each Area
(Illustration: Giovanni Maki)
See this image and copyright information in PMC

References

    1. International Conference on Harmonization. Guideline for good clinical practice: ICH harmonized tripartite guideline. Geneva: International Conference on Harmonization; 1997. Available: http://www.ich.org/MediaServer.jser?@_ID=482&@_MODE=GLB. Accessed 29 July 2005.
    1. Association for Clinical Data Management. ACDM guidelines to facilitate production of a data handling protocol. St. Albans (United Kingdom): Association for Clinical Data Management; 2003. Available: http://www.acdm.org.uk/files/pubs/DHP%20Guidelines.doc. Accessed 28 July 2005.
    1. Food and Drug Administration. Guidance for industry: Computerized systems used in clinical trials. Washington (D. C.): Food and Drug Administration; 1999. Available: http://www.fda.gov/ora/compliance_ref/bimo/ffinalcct.htm. Accessed 28 July 2005.
    1. Society for Clinical Data Management. Good clinical data management practices, version 3.0. Milwaukee (Wisconsin): Society for Clinical Data Management; 2003. Available: http://www.scdm.org/GCDMP. Accessed 28 July 2005.
    1. Armitage P, Berry G. Statistical methods in medical research, 2nd ed. Oxford: Blackwell Scientific Publications; 1987. 559 pp.

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