Gareth McCaughan’s summary of what we know about D-wave’s quantum computer

D-Wave is making waves (I know, I know) with its quantum computer. Scott Aaronson's post about the latest on the D-wave saga was linked on Hacker News. Gareth McCaughan has given a very nice layperson summary of this post which is actually a very nice standalone read on D-wave and the essence of quantum computing. …

Advertisements

The ROC and its AUC

Hark back to the caveman days. You are out there, in the tall grass, with your spear. You are stalking a tasty gnu. Suddenly, over the whispering of the wind over the green and the calls of the birds, you hear a twig snap! Was that a twig snap? Was that a saber-toothed tiger stalking …

Musings on Mutual Information

Mutual information (MI), often given in terms of bits of information, is a neat way to describe the relationship between two variables, x and y. The MI tells us how predictive x is of y (and vice versa). Here I will explore what the MI value in bits means. For example, if x takes 8 …