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5 posts tagged with Mathematics by Foci for Analysis.
Displaying 1 through 5 of 5.

Visually stunning math concepts...

...which are easy to explain.
posted by Foci for Analysis on Apr 7, 2014 - 27 comments

The dangers of A/B testing

A/B testing has become a familiar term for most people running web sites, especially e-commerce sites. Unfortunately, most A/B test results are illusory (PDF, 312 kB). Here's how not to run an A/B test. Do use this sample size calculator or this weird trick.
posted by Foci for Analysis on Feb 23, 2014 - 38 comments

Knots in Spaaaaace

The fine people over at the International Guild of Knot Tyers Forum talk knots. On Mars.
posted by Foci for Analysis on Sep 4, 2012 - 33 comments

Cool Math Conundrums

In Russian roulette, is it best to go first? | The Mathematics of Tetris | What is the result of infinity minus infinity? [more inside]
posted by Foci for Analysis on May 14, 2012 - 30 comments

The mathematical sculptures of Henry Segerman

Henry Segerman creates mathematical sculptures using 3D printing: Round Möbius Strip, Hopf Fibration, Half of a 120-cell, Rectified Tesseract, Tesseract and 16-cell, Hilbert Curve, Knotted Cogs, Round Klein Bottle [more inside]
posted by Foci for Analysis on Sep 10, 2011 - 12 comments

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