This article is adapted from an edition of our Off the Charts newsletter originally published in October 2021. Off the Charts is a weekly, subscriber-only guide to The Economist’s award-winning data ...

To detect and estimate nonconstant, time-varying mean shifts, statistical process control (SPC) tools, such as the cumulative score (Cuscore) and generalized likelihood ratio test (GLRT) charts, have ...

As a model-view-template (MVT) framework, Django is slightly different from MVC (model-view-controller) frameworks like Express and Spring. But the distinction isn’t hugely important. A Django ...