Subscribe to DSC Newsletter

Vincent Granville's Blog – December 2013 Archive (6)

Weekly digest - January 6

Featured Articles


Added by Vincent Granville on December 31, 2013 at 12:00pm — No Comments

Drug scarcity due to inefficient supply chain

Those who read my articles know that I criticize US health care, though I have proposed solutions. Most of my criticism is because it is way too expensive and below average in terms of efficiency. My criticism…


Added by Vincent Granville on December 22, 2013 at 1:00pm — 3 Comments

Uniquely identify a human being with two questions

Here are two multiple-choice questions that could be used to uniquely characterize each human that will ever exist on Earth. Even twins will have different answers. It is expected no two human beings to have the same answers.…


Added by Vincent Granville on December 14, 2013 at 8:30am — 19 Comments

Detecting Patterns with the Naked Eye

Many time series charts seem to exhibit a pattern: an up-trend, apparent periodicity, a stochastic process that seems not to be memory-less, and so on.  Look at the following picture, representing stock price simulations. Do you think there is an up-trend? Actually, long term, there isn’t: it’s a realization of a pure random walk. At any time, the chance that it goes up or down by a given amount, is…


Added by Vincent Granville on December 9, 2013 at 11:00pm — 9 Comments

How to estimate how well connected your colleagues are

Here we provide a simple formula easily derived from LinkedIn stats (stats that any of us can collect in a few minutes).

The purpose is to identify, among our LinkedIn connections, the ones with a large network. It's useful if you hire a sales guy (to gauge the size of its network), or if you are looking for a job and talking…


Added by Vincent Granville on December 4, 2013 at 9:00pm — 2 Comments

Monthly Archives













On Data Science Central

© 2019 is a subsidiary and dedicated channel of Data Science Central LLC   Powered by

Badges  |  Report an Issue  |  Privacy Policy  |  Terms of Service