Aggregation Know your data 30: everything's ok until it happens to you Kaiser muses about Elon Musk and his flight log.
Aggregation Reading Gelman's take on election polling Kaiser reads Andrew Gelman's paper about failures in election forecasting.
Aggregation Open questions of the pandemic, part 2 Kaiser continues to discuss open questions of the pandemic, including questions raised by a recent White House graphic.
Cause-effect Real-world studies: limits of knowledge Kaiser focuses attention on a few aspects of the Mayo Clinic real-world effectiveness study.
Excel Dr. Backlog jumps the pond Kaiser investigates the official reason for U.K. under-reporting of coronavirus cases.