Sharpening a Cyclical Shovel

Guest Post by Willis Eschenbach There are a number of lovely folks in this world who know how to use a shovel, but who have never sharpened a shovel. I’m…

CEEMD and Sunspots

Guest Post by Willis Eschenbach I’ve been investigating the use of the “complete ensemble empirical mode decomposition” (CEEMD) analysis method, which I discussed in a previous post entitled Noise-Assisted Data…