Table 1 Listing of the 5 MSAs and Principal Cities, geo-coordinates and search radius specified for each of the Twitter queries for our experiment
From: Sweet tweets! Evaluating a new approach for probability-based sampling of Twitter
Metropolitan statistical area (MSA) | Center: Lat, Long | Radius | Principal cities |
|---|---|---|---|
Chicago-Naperville-Elgin, Illinois–Indiana–Wisconsin | 41.905170, −87.624664 | 50 miles | Bolingbrook, IL; Chicago, IL; Des Plaines, IL; Elgin, IL; Evanston, IL; Hoffman Estates, IL; Naperville, IL; Schaumburg, IL; Skokie, IL; Gary, IN; Kenosha, WI |
Atlanta–Alpharetta–Sandy Springs, Georgia | 33.6937280, −84.3999113 | 40 miles | Alpharetta, Atlanta, Marietta, Sandy Springs, GA |
Phoenix–Mesa–Chandler, Arizona | 33.448400, −112.074000 | 53 miles | Casa Grande, Chandler, Mesa, Phoenix, Scottsdale, Tempe, AZ |
Baltimore–Columbia–Towson, Maryland | 39.297002, −76.676317 | 16 miles | Baltimore, Columbia, Towson, MD |
Pittsburgh, Pennsylvania | 40.437202, −79.982197 | 28 miles | Pittsburgh, PA |