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Delphi’s symptom surveys reveal rates of mask use across the country. But do they really show that the vast majority of people wear masks?
#symptom surveys #COVIDcast #R
By Alex Reinhart
In previous posts, we discussed our massive ongoing symptom surveys that have reached over 12 million people in the U.S. since April 2020, in …
#medical records #COVIDcast #R
By Aaron Rumack and Roni Rosenfeld
Beginning on September 8, 2020, we deployed a new version of our symptom survey. Facebook helps us recruit tens of thousands of respondents daily, and …
#symptom surveys #COVIDcast #R
By Alex Reinhart
One of our primary initiatives at the Delphi COVIDcast project has been to curate a diverse set of COVID-related data streams, and to make them freely …
#COVIDcast API #COVIDcast #R #Python
By Kathryn Mazaitis and Alex Reinhart
Building on our previous two posts (on our COVID-19 symptom surveys through Facebook and Google) this post offers a deeper dive into empirical …
#symptom surveys #forecasting #COVIDcast #R
By Ryan Tibshirani
Since April 2020, in addition to our massive daily survey advertised on Facebook, we’ve been running (even-more-massive) surveys through Google …
#symptom surveys #COVIDcast #R
By Ryan Tibshirani
Since April 2020, in collaboration with Facebook, partner universities, and public health officials, we’ve been conducting a massive daily …
#symptom surveys #COVIDcast #R
By Alex Reinhart and Ryan Tibshirani
Hello from the Delphi research group at Carnegie Mellon University! We’re a group of faculty, students, and staff, based primarily out of CMU …
By Roni Rosenfeld and Ryan Tibshirani