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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. 14-Aug-2012

 

 

 

Time to Get Clean! Picture of a baby in a tub.
Resource Library

Dates and Times: The Benefits of Using Standardized Formats
(...When working with databases or statistical packages, date and time formatting can become very confusing and even result in entries that are completely unreadable.)

 

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