The scariest bug in a backtest (the thing that estimates a strategy's returns on past price moves) isn't a crash. It's accidentally using tomorrow's price. It's called lookahead bias, and if you let even a sliver of tomorrow's close leak into today's math, your strategy turns into a prophet.
1 points, 0 comments on Hacker News
Producing enough food is only one part of ensuring global food security. A new study shows that transport networks and economic inequality are important factors in determining global food accessibility. A research team led by the University of Oulu, together with researchers from Aalto Universi...
JOHNSON CITY, Tenn. (WJHL) – In an hour and a half full of missed chances, Alex Beck found the needle in the haystack.
Artificial intelligence has analyzed data scattered across hundreds of research papers to discover new lead-free dielectric materials that maintain stable performance even at high temperatures. The study presents a new approach that could transform materials discovery from a trial-and-error proc...
The Korea Institute of Civil Engineering and Building Technology (KICT) has developed a new cubic equation of state (EOS) that provides a physical justification for a mathematical structure that the chemical and petroleum industries have relied on for more than half a century without a first-prin...