Archive for the 'Lance Armstrong' Category

Lance Armstrong doping case and bond defaults show challenges of probabilistic reasoning

In an earlier blog post (here) we wrote that, given the evidence available to us at the time, Lance Armstrong was probably not guilty of doping. The main line of our argument was that hundreds of doping tests from certified laboratories using accepted procedures had not found dope.  We restricted the evidence to this, in the [...]

Armstrong Affair shows USADA uninfluenced by measurement

The US Anti-Doping Agency says it has “overwhelming proof” seven-time Tour-de-France winner Lance Armstrong was cheating by doping himself with performance-enhancing substances. What is the evidence? Armstrong was tested for drugs perhaps hundreds of times during his cycling career.  Every single test pronounced him clean. That is strong evidence against doping. According to the USADA, [...]