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post #452 Старый 15.04.2010, 21:24
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The Value of Party Weighting for a Tracking Poll
Rasmussen Reports does weight our sample to a set of partisan targetsand bases those targets on surveys conducted in preceding months.Entering the month of June, our targets for the month were set so thatthe sample would include 9.44% more Democrats than Republicans. At theend of the month, a review of the data showed that if we had not usedthe party weights, the Democrats would have had a 9.37% advantage overthe GOP. The bottom line is that—over the course of a full month—ourresults would have been the same with or without party weighting.
***********.rasmussenreports.com/public_content/politics/elections2/election_20082/the_value_of_party_weighting_for_a_tracking_poll
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