In order to conduct the sort of statistical analysisSilver faults Noonan's column for lacking, you'd need a representative database of persons who are politically active and a method of coding their political activity by ideology and intensity.
On his website UnSkewedPolls.com, Chambers has for weeks been predicting a win for Mitt Romney and taking swipes at Silver, who writes poll analysis for The New York Times on his Five Thirty-Eight blog, and the rest of the mainstream polling establishment.