DDI provides a comprehensive set of metadata elements that describe various aspects of a dataset, including:
Study Description: Information about the context, purpose, and methodology of the study. Data Collection: Details about the data collection methods, instruments used, and sampling procedures. Data Description: Metadata about the variables, including their definitions, formats, and value labels. Data Management: Information on data processing, cleaning, and any transformations applied. Access and Use: Conditions and permissions for accessing and using the dataset.
