I recently wrote about the Yule-Simon distribution. The same Yule, George Udny Yule, is also known for the statistics Yule’s Y and Yule’s Q. The former is also known as the coefficient of colligation, and the latter is also known as the Yule coefficient of association. Both measure how things are related. Given a 2 […] The post Yule statistics Y and Q first appeared on John D. Cook....