Big Data, Big Biases - Joachim Vosgerau

Big data seems to be the answer and the thing everyone turns to today, but should we? Joachim Vosgerau gave an excellent talk a while ago on the biases that show up when working with it. "Vosgerau showed that if one collects data in a non-representative way, it can lead to high levels of confidence in an extremely biased and incorrect result."

Follow-up studies to correct perceptions of these analyses failed.