Travel surveys, census and traffic measurements were used.
Traditionally, researchers had to rely on a combination of surveys, census data and vehicle counting.
Examples of complementary data sources are community surveys, census data from local governments, police information on geocoded offenses, and Systematic Social Observations (SPAN data sources are described in Bruinsma et al. [2013] and Janssen et al. [2014]).
The records in this subseries include small-business directories, training materials, surveys, census data, reports, press releases, correspondence, memoranda, contracts, court cases, and testimonies related to Native American discrimination.
A variety of methods for obtaining data on the built environment are at the researcher's disposal, such as self-report surveys, census data, and neighborhood audits (Rundle et al. [2011]).
"Public opinion -- as measured by interaction with the art, street surveys, census sensors and social media -- will determine which 10 or 12 artworks out of the 52 could return later as long-term public art," reports the San Francisco Chronicle.
The latest data from surveys, census and special studies are used to estimate key parameter values for countries and regions.
