http://www.iu.qs.com/wp-content/uploads/2013/07/qsiu_logo7.pngBy . Anyone who has seen me present will know that one of my most frequently used quotes is from the US statistician, George Box, said, “Essentially all models are wrong, but some are useful”. Rankings are controversial as much because they are imperfect, incomplete as anything else. Were there a perfect answer, and had someone found it, there would be no space for debate, discussion and disagreement. More...