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View Diary: When did your county's population peak? This map shows you (99 comments)

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  •  Those are (2+ / 0-)
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    Fredamae, bartcopfan

    two separate concepts. The 0.11 figure is the correlation between the year the population peaked, and the percentage of votes that Obama got in that county in 2012. When you're talking about correlation coefficients, 1 means perfect correspondence, and a 0 means no relationship whatsoever (just random noise), so 0.11 is much closer to the 'random noise' end of the spectrum.

    As for a 3.82 in Snohomish County on the second map, that means that the Partisan Voting Index is 3.82 higher in 2012 than it was in 1988, meaning that it has trended a small amount in the Democratic direction. If you aren't familiar with PVI, that's how far a place's vote varies from the national average. For instance, in 2012, Obama got 57% in Snohomish Co., while getting 51% nationally, which is D+6. In 1988, Dukakis got 48% in Snohomish Co while getting 46% nationally, which is D+2. So, the difference is approximately 4.

    Editor, Daily Kos Elections.

    by David Jarman on Sun Feb 02, 2014 at 10:15:49 PM PST

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