Selected article for: "Cox regression and median age"

Author: Ari Klein; Arjun Magge; Karen O'Connor; Haitao Cai; Davy Weissenbacher; Graciela Gonzalez-Hernandez
Title: A Chronological and Geographical Analysis of Personal Reports of COVID-19 on Twitter
  • Document date: 2020_4_22
  • ID: 8f1arjw1_21
    Snippet: URLs in the tweets, and lowercased the tweet text. We deployed the classifier on the 430,574 unlabeled, pre-filtered tweets collected between January 23, 2020 and April 6, 2020. We used GeoNames 9 to normalize-to the U.S. state level (ADM1)-locations associated with the tweets that were automatically classified as "probable" or "possible." For tweets without geo-tags, we adapted our previous work 10 to extract and disambiguate user-generated loca.....
    Document: URLs in the tweets, and lowercased the tweet text. We deployed the classifier on the 430,574 unlabeled, pre-filtered tweets collected between January 23, 2020 and April 6, 2020. We used GeoNames 9 to normalize-to the U.S. state level (ADM1)-locations associated with the tweets that were automatically classified as "probable" or "possible." For tweets without geo-tags, we adapted our previous work 10 to extract and disambiguate user-generated locations in the profile metadata. We derived one location per user.

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