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Vincent Granville's Blog – July 2013 Archive (8)

Reckless analytics: financial suicide or public disaster

Here we discuss two types of widespread analytic handicaps: individuals affected by poor analytics, committing financial suicide but impacting very few people, and government or corporate analytic failure negatively impacting millions of people.…

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Added by Vincent Granville on July 27, 2013 at 10:30pm — 3 Comments

Weekly digest - July 29

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Added by Vincent Granville on July 25, 2013 at 12:30am — No Comments

12 predictive analytics screw-ups

Guest blog post by . First published in ComputerWorld.

Computerworld - Whether you're…

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Added by Vincent Granville on July 25, 2013 at 12:10am — No Comments

Belly dancing mathematics

This is a follow up to our article on Structuredness coefficient to find patterns and associations, featuring an image (animated gif) with rotating dots that simulate waves. I went one step further here, to create a new data video, where rotating points (by accident) simulate…

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Added by Vincent Granville on July 16, 2013 at 11:30pm — 1 Comment

Structuredness coefficient to find patterns and associations

We are investigating a metric that measures the presence or absence of a structure or pattern in data sets. The purpose is to measure the strength of the  association between two variables, and generalizes our modern correlation coefficient in a few ways:…

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Added by Vincent Granville on July 12, 2013 at 4:00pm — 3 Comments

AnalyticBridge Mathematical Competition

Please read our update regarding this competition, before applying, as some significant progress has been made (no winner yet as of 7/22). The purpose of the competition is to prove one of the mathematical conjectures recently discovered in our statistical research laboratory.…

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Added by Vincent Granville on July 10, 2013 at 7:00pm — 4 Comments

How would you detect and stop this type of crime?

Trailhead parking lots are notorious for crime activity - including from bears. These remote, un-patrolled locations, hidden in dense forests, attract all sorts of bad guys. One original crime is thieves stealing the park fees paid by hikers. These fees consist of $5 bills inserted by trail users (hikers) in an envelope, and dropped in a locked mailbox at the trailhead. These wooden boxes are easy to break and…

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Added by Vincent Granville on July 10, 2013 at 4:30pm — 5 Comments

Weekly digest - July 8

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Added by Vincent Granville on July 5, 2013 at 1:00pm — No Comments

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