There’s a stunningly wrong statistic being passed around, saying that the CDC “admitted” that only 6% of documented COVID-19 deaths were actually from the virus. This is wrong, and is the kind of thing that you can only conclude if you don’t know how death certificates work. The deaths were...

The 80/20 rule, a.k.a. Pareto principle, has been perpetuated along the lines: "80% of the effects come from 20% of the causes." Different cases where the rule emerges have been studied, in the last century, by great personalities such as Vilfredo Pareto (land ownership in Italy), George Kingsley...

April 6, 2020 — ADDINSOFT launches XLSTAT 2020.1.3, its powerful data analysis add-in for Microsoft Excel®. What’s new in this version?   * Clustering after dimensionality reduction (available in all XLSTAT solutions)   A new button has been added to the XLSTAT output sheet which...

Have you worked on machine learning classification problem in the real world? If so, you probably have some experience with imbalance data problem. Imbalance data means the classes we want to predict are disproportional. Classes that make up a large proportion of the data are called majority...