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Author: John F. McGowan, Ph.D.

A recent widespread custom in the high technology industry is the “coding interview” where applicants typically stand in front of a white board for three or more hours answering …

Peak — Secrets from the New Science of Expertise by Anders Ericsson and Robert Pool Houghton Mifflin Harcourt, Boston, 216 307 pages My Rating: 4/5 How does one become …

Wired recently published an article with the sensational title “Move Over, Coders — Physicists Will Soon Rule Silicon Valley” primarily concerned with physicists or former physicists working in deep …

I recently received an inquiry on how to get started in the currently hot field of data science. Perhaps a better question is: should you get started in data …

I recently gave a talk Ronald Fisher and Maximum Likelihood Estimation on the pioneering statistician Ronald Fisher and his development of the method of maximum likelihood estimation, one of …

This is a brief post on quick ways to perform arbitrary precision integer arithmetic in the GNU Bourne Again Shell (BASH), either at the command prompt or in a …

Dozens of articles are trying to blame the election of Donald Trump as President of the United States on Facebook’s news feed algorithm, and especially its supposed propensity for …

Following up on my last post Big Data Flubs Donald Versus Hillary, here are some famous cases where pre-election polls were wrong. The Literary Digest Predicts Landon Will Defeat …

Donald Trump’s unexpected upset victory over Hillary Clinton raises troubling questions about the use of mathematical models and “Big Data” in politics. With the possible exception of the USC …

When I was young, I could not get algebra. In particular, I would encounter magical operations like this: x + 5 = 8 followed by: x = 8 – …