What to take to a festival: Friends, drink... and a giant bar chart

Some would say it's the magic of a festival - stumbling upon a random stage and accidentally discovering your new favourite band. You could call it following your festival instinct. But what if you ditched all that and did the complete opposite? What if you took arguably the most nerdy thing in the world - statistics - and used it to try to have the best festival experience ever? I consulted a stats expert, packed up a giant bar chart, and headed to 2000 Trees in Gloucestershire to find out. And - just a warning - this article is incredibly, incredibly geeky.