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Step 3: Clean the Data

Errors will inevitably creep into the database...

No matter how much effort you put into creating a good data collection system, errors will inevitably creep into the database making it necessary for data cleaning. Data cleaning can be intricate, time consuming, and costly, but it is a necessary step in any data-related project.

This section assumes you are familiar with basic database language and function. We will cover the following:

Next StepThe Purpose of Data Cleaning >>

 

 

 

rev. 04-Aug-2022

 

 

 

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This website is supported by the Health Resources and Services Administration (HRSA) of the U.S. Department of Health and Human Services (HHS) as part of the Emergency Medical Services for Children Data Center award totaling $3,200,000 with 0% financed with non-governmental sources. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement, by HRSA, HHS, or the U.S. Government. For more information, please visit HRSA.gov.

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