IT IS hard to make predictions, the old saying goes, especially about the future. When future involves Brazil’s presidential race, the first round of which takes place on October 5th, the task is harder still. That has not stopped number-crunchers trying. Neale El-Dash of PollingData.com.br, a website, has made a valiant attempt at “tropicalising” Nate Silver, a statistician and blogger who rose to stardom during the 2012 US election. Mr Silver took polls released each week, then aggregated and weighted them to come up with a prediction, framed in terms of probability of victory for the main contenders. Our chart shows how Brazilian hopefuls’ chances, calculated in a similar fashion by Mr El-Dash, have shaped up since the campaign was upended by the tragic death in a plane crash in mid-August of Eduardo Campos, a centrist candidate.Full Article: Gauging Brazil's election: Crunch time | The Economist.
Oct 3 2014