Vincent Granville's Blog – May 2018 Archive (25)

Statisticians, like artists, have the bad habit of falling in love with their models

This is a quote by George E Box. Share if you like it.

In short, all models are approximations. All models are wrong, but some are useful. George E Box (18 October 1919 – 28 March 2013) was a British statistician, who worked in the areas of quality control, time-series analysis, design of experiments, and Bayesian inference. He has been called "one of the great statistical minds of the 20th…


Added by Vincent Granville on May 4, 2018 at 10:28am — 2 Comments

Showcase your Data Science Expertise, and Learn New Tricks from Pros

Share your knowledge with other professionals, be respected as an expert in the leading community for data science, stats, BI, operations research, and machine learning practitioners. Or find answers to your business, technical, or career questions. We have thousands of questions posted in our revamped forum section, covering all topics, and usually related to applications: You can reply, contact the authors, post a comment, or ask a new question.

Lists of 160 popular questions (with…


Added by Vincent Granville on May 4, 2018 at 8:30am — No Comments

Thursday News: AI, ML, Neural Networks, Decision Trees, NLP, SVM, R, Python...

Here is our selection of featured articles and resources posted since Monday:



Added by Vincent Granville on May 3, 2018 at 8:30am — No Comments

What do mathematicians mean by good math and bad math?

This is a popular question recently posted on Quora, with my answer viewed more than 8,000 times so far. I am re-posting it here. This post is much more detailed than my initial answer.


My answer may appear sarcastic, after all, I am a math PhD and have published in journals such as Journal of Number Theory. But I left academia long ago, yet still doing what I think is ground-breaking research in…


Added by Vincent Granville on May 2, 2018 at 1:30pm — 2 Comments

AI with Pyramids of Self Programmable Gates

Guest blog post by David Enríquez Arriano. For more information or to get higher pictures resolution, contact the author (see contact information at the bottom of this article.)


This is a different approach to solve the AI problem. It is a cognitive math based on pyramids built with self-programming logic gates through learning.

A Boolean polynomial associated with a given truth table can be…


Added by Vincent Granville on May 2, 2018 at 6:30am — No Comments

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