is data in which every record is at the unit of analysis level and all records must be added up to get the totals for each data item. For example, for surveys of individuals, microdata contain records for each individual interviewed; for surveys of organizations, the microdata contain records for each organization.

Please follow the links to go through the DataFerrett Tutorial

1. Getting Started
    Learn the basic help functions in the DataFerrett interface

2. Searching, Tabulation, and Graphing
    Going through the 3 basic steps in using DataFerrett

3. Recoding Variables
    How to create your own values using the Recode function

4. Extracting Data
    Using the Extraction interface