Day four of the week of classical posts on global warming, now "climate change", a subject which I had hoped had faded into obscurity, but, alas, has not. Your author…

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…