The Pitfalls of Data Smoothing

Guest Post by Willis Eschenbach Since we’ve been discussing smoothing in datasets, I thought I’d repost something that Steve McIntyre had graciously allowed me to post on his amazing blog ClimateAudit back in 2008. —————————————————————————————– Data Smoothing and Spurious Correlation Allan Macrae has posted an interesting study at ICECAP. In the study he argues that the changes in…

Dr. Michael Mann, Smooth Operator

Guest Post by Willis Eschenbach People sometimes ask why I don’t publish in the so-called scientific journals. Here’s a little story about that. Back in 2004, Michael Mann wrote a mathematically naive piece about how to smooth the ends of time series. It was called “On smoothing potentially non-stationary climate time series“, and it was…