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Blind experiment

Double-blind studies are the gold standard in medicine. I contend they should be triple-blind. The statistician analyzing the data should be given anonymized, whitened, normalized data from the experiment and...

Arthur B. Arthur B.
17 Aug 2011

Reputation networks and branding

I can think of a couple of things that branding achieves:

Arthur B. Arthur B.
03 May 2011
Arbitrage et algorithme de Bellman-Ford

Arbitrage et algorithme de Bellman-Ford

L'algorithme de Bellman-Ford, qui calcule le plus court chemin dans un graphe, met en évidence les arbitrages sur le marché des devises : des opérations d'achat et de vente garantissant...

Arthur B. Arthur B.
30 Mar 2011

Sampling & Mixing

I’m in a club, and my girlfriend asks the DJ to play music from another DJ. He refuses; he knows the other guy and thinks he’s an asshole. There is...

Arthur B. Arthur B.
16 Mar 2011

Perfect video compression

Video compression codecs are getting better and better at compressing video. However, they only use a very limited set of properties characteristic of videos… namely, they describe a video as...

Arthur B. Arthur B.
07 Mar 2011

Private arbitrage with teeth

There is a lot of value in private arbitrage, especially when dealing with emerging markets or countries where the judicial system isn’t well developed. However, a private arbitrage firm ideally...

Arthur B. Arthur B.
06 Mar 2011