Eldnar Randle was born in Delano, California in 1892 and died in 1973 in Oregon. For most of his working years he was an auto mechanic. But he shared a distinction shared by only 1 in over 700,000 Americans. Any guesses? A clue: Look closely at his … [Continue reading] about Eldnar Randle: Did he know?
Analysis of World Chess Champion Opening Repertoires

A quick test run of the FactoMineR package for R. This package focuses on multivariate exploratory data analysis, such as Principle Components Analysis (for numerical data) and Correspondence Analysis (for categorical data). In an earlier blog … [Continue reading] about Analysis of World Chess Champion Opening Repertoires
The Power of Brand and the Power of Product Redux

Last year I did a three-part blog ("The Power of Brand and the Power of Product") describing a simple model of product adoption and market share, and showed how the parameters of that model could be determined using a single survey question. I … [Continue reading] about The Power of Brand and the Power of Product Redux
ISO/IEC JTC1 Approves ODF 1.2 PAS Ballot
OASIS ODF 1.2, the current version of the Open Document Format standard, was approved by ISO/IEC JTC1 National Bodies after a 3-month Publicly Available Specification (PAS) ballot. The final vote for DIS 26300 was: 17-0 for Parts 1 and 2, and 18-0 … [Continue reading] about ISO/IEC JTC1 Approves ODF 1.2 PAS Ballot
An inquiry into the topological ordering of casual American male dress

The dressing and arming of a warrior is a common set scene in epic poetry, e.g., Iliad 2: He put on a soft khiton, fine and newly made, and put around himself a great cloak. Under his shining feet he fastened fine sandals and around his shoulders … [Continue reading] about An inquiry into the topological ordering of casual American male dress