You should look into poststratification: http://www.stat.columbia.edu/~gelman/research/published/STS226.pdf http://www.columbia.edu/~jrl2124/Lax%20Phillips%20-%20Estimating%20State%20Public%20Opinion.pdf http://www.columbia.edu/~jrl2124/Lax_Phillips_Gay_Policy_Responsiveness_2009.pdf ********************************************************** Political Methodology E-Mail List Editors: Xun Pang <[log in to unmask]> Jon C. Rogowski <[log in to unmask]> ********************************************************** Send messages to [log in to unmask] To join the list, cancel your subscription, or modify your subscription settings visit: http://polmeth.wustl.edu/polmeth.php **********************************************************