How well have global forecasting models been able to predict the future of COVID-19 mortality 3 months out?
— Joseph Friedman, PhD, MPH (@JosephRFriedman) September 11, 2020
12 week median absolute percent errors from models in June:@IHME_UW: 25.5%@youyanggu: 26.8%@USC SIKjalpha: 38.4@Imperial_IDE: 785%
Data+code: https://t.co/ITFIAIiZqi pic.twitter.com/shoSu0Vjeh