From: Sweet tweets! Evaluating a new approach for probability-based sampling of Twitter
Metropolitan statistical area (MSA) | Total tweets sampled | Total tweets geo-filtered into principal cities | Total tweets filtered in to one of our 8 topics | Tweets from sample missing user geography metadata |
---|---|---|---|---|
Chicago–Naperville–Elgin, Illinois–Indiana–Wisconsin | 22,442,771 | 18,525,841 | 531,402 | 178 |
Atlanta–Alpharetta–Sandy Springs, Georgia | 22,413,310 | 17,624,013 | 329,958 | 90 |
Phoenix–Mesa–Chandler, Arizona | 22,607,714 | 17,191,865 | 640,358 | 60 |
Baltimore–Columbia–Towson, Maryland | 22,435,821 | 16,087,382 | 446,228 | 29 |
Pittsburgh, Pennsylvania | 22,424,971 | 11,099,119 | 393,554 | 309 |
Grand Total from All MSA Regions in the Experiment | 112,324,587 | 80,528,220 | 2,341,500 | 666 |