How not to plot The following plot was sent to me yesterday for comment. I cannot disclose the sender, nor the nature of the data, but neither of these are…

Saw this tweet this fine morning: https://twitter.com/MarkThoma/status/276542962622668800 and downloaded the paper at the landing site, co-authored by Judea Pearl, he of Causality fame (a recommended book). Pearl and a co-author…

Jelle de Jong writes in to ask: Working as a quant analyst in finance I recently got interested in the Briggsian/Jaynesian/Bayesian interpretation of probability but am still struggling a bit…

A review. We have sales data from two campaigns, A and B, data in which we choose (as a premise) to quantify our uncertainty with normal distributions. We assume the…