It turns out MY "pq" is 29, very similar to that of Ron Paul. Doesn't mean all our issue positions are the same, but I would guess that in a 2-dimensional space our issue positions ARE pretty much the same.
Our guy* Tim Groseclose has an interesting web site for his new book. And you can find out what YOUR pq is, though it's a 40 question survey.
*Angus actually owns him. He bought an option, back when it was cheap. At least, he wishes he had.