There are two types of technology: Good (does exactly as wanted, with no hassle) Primitive (all the rest) This classification has been instilled into me by my wife. The [...]

The game ARORA (A random or real array) is a website that gives you two time series at a time. Your job is to guess which series is real [...]

On Tuesday I gave a talk at the Thalesians entitled "Effective backtesting".  You can get the annotated slides but below is an almost wordless introduction to backtesting. Introduction Figure [...]