http://xkcd2.com/552/ http://xkcd2.com/552/ Repeating this cliche is not a counterargument to a regression analysis. If you have specific covariants that you t

http://xkcd2.com/552/ http://xkcd2.com/552/ Repeating this cliche is not a counterargument to a regression analysis. If you have specific covariants that you think better explain their results, present them. Otherwise, "correlation does not imply cause" is little more than a lowbrow dismissal dressed in a labcoat.