Chapter 8: Create and Validate New Variables
Introduction
Once you have reached this part of the Data Detective’s Toolkit, your data should be ready for research purposes. Your last step is to enhance the usability of your project data by completing the following programming tasks:
● Adding codes to identify aspects of data quality for each variable
● Creating and validating derived variables
These tasks are the focus of this chapter. Codes that identify aspects of data quality allow users to choose an appropriate analysis method for the data. These codes provide information about why data is missing and can be very useful during variable construction and analysis.
Analysis variables are often the core of why the data set was collected. These ...
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