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Figure 5 | BMC Public Health

Figure 5

From: Organizational aspects and implementation of data systems in large-scale epidemiological studies in less developed countries

Figure 5

The flow of data validation process. The data validation process is started with dual data entry by two different persons, resolving keypunching errors, and then identifying the data errors that contain duplicate entries, outliers, inconsistencies, and data linkage problems. The data errors usually solved through field verifications unless the mistake is done at the level of data entry.

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BMC Public Health

ISSN: 1471-2458

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