EASI Analytics User GuideEasy Analytic Software Inc. (EASI) is a New-York based software engineering and statistical modeling firm that specializes in consumer demographics. Using input data from the Census Bureau, Bureau of Labor Statistics, and Mediamark, EASI develops model-based indicators of the demographic characteristics, consumer spending, and behavior patterns for a wide range of geographic areas—State, counties, census tracts, and block groups. Mediamark is a market research firm that annually publishes The Survey of the American Consumer, based on detailed interviews of 26,000 households.