I have read many blog posts from Zed and seen some talks about using statistics evidence (R project) to measure performance (http://zedshaw.com/essays/programme

I have read many blog posts from Zed and seen some talks about using statistics evidence (R project) to measure performance (http://zedshaw.com/essays/programmer_stats.html http://zedshaw.com/essays/programmer_stats.html). If he says they are negligible he probably measured them, and they probably are.