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assure

Data quality and quality control methods should be part of the data information file

Tags: assure, flag, quality

Data sets that are to be integrated should be compatible and comparable.

Prepare and document a plan for assuring the quality of your data, so that you and others can trust they are accurate.

Whether compiled or entered from paper records, new digital data should be double-checked for accuracy to avoid input errors.

Quality control is highly dependent on the data collection methodology, but there are some general practices that can be applied

Use statistical and visual methods for determining potentially erroneous data points

In a data file, when actual measurements could not be obtained, estimated values should be identified.

Problematic data should be flagged to indicate known issues so potential users are aware the limitations of the data.

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