1. bets.covid19::covid19_data
    Confirmed cases of COVID-19
    csv| xlsx| json| ndjson| rda| rds
    data.table|1460 x 19
  2. bets.covid19::wuhan_exported
    COVID-19 exported from Wuhan
    csv| xlsx| json| ndjson| rda| rds
    data.frame|378 x 6
  3. seismic::tweet
    An example information cascade
    csv| xlsx| json| ndjson| rda| rds
    data.frame|15563 x 2