Govt shutdown shines light on missing data
What data will be missing, how will they be backfilled, and how do they affect us
statistical adjustment
With adjustments comes responsibility
Kaiser explains how adjusted per-protocol analysis leads to different conclusions in the colonoscopy trial.
Why no serious researchers conduct "per protocol" analyses
Or, the importance of random treatment assignment
Real-world studies: limits of knowledge
Kaiser focuses attention on a few aspects of the Mayo Clinic real-world effectiveness study.
Check out the Lifespan of News project
Kaiser Fung (Junkcharts, Principal Analytics Prep) reviews the Lifespan of News project that tracks the rise and fall of news stories over time and space, using Google search data.