Today's post is at the Stream: xkcd's Global Warming Time Series Mistakes. The popular web cartoon xkcd has provided a wonderful opportunity to plug my must-read (and too expensive) book…

As predicted, there were cigars. But I missed them. The smoking party left without me while I listed to Ireland's version of the Mr Wizard brothers. A science experiment involving…

Several readers asked me to look at Ross McKitrick's paper "HAC-Robust Measurement of the Duration of a Trendless Subsample in a Global Climate Time Series", which is receiving the usual…

Temperature causes Here is an atmospheric monthly average temperature series: T = (61, 69, 69, 70, 72, 65, 63) (all F). What caused the temperature to take the value T1…

Time series are the most abused statistics in the physical sciences. (It's an endless, raucous, peer-reviewed contest for the worst in the "soft sciences.") The Mann problem (is that a…

This is all made up data, so as not to hurt anybody's feelings. Also, this is a sketch. Everything can't be done in 700 words. We are interested in the…

It came out at my recent meeting that a compilation of everything wrong with time series was in order. A lot of this I've done before, and so, just as…