2012 (thus far) vs 2008: visualizing the swing
Wednesday August 29, 2012
I created the following graph to look at how current estimates of Obama 2-party vote share in each state compares with how Obama actually did in 2008. The state-by-state 2012 estimates come from the work I’m doing for HuffPost’s Pollster.
The usual way one might make this graph is to simply do a scatterplot. But I also like this form of presentation.
I’ve employed a non-linear scaling of the vote shares (or 2012 voting intentions), devoting more of the graph’s area to interesting states close to the 50-50 point (the purple bar marks 50-50).
Right now, North Carolina and Indiana are the losses for Obama. Iowa, Colorado, Florida, Wisconsin are very close to the edge. Some more/better polls from these places would be terrific, by the way…




[...] Here’s the chart (and click here to see it in slightly larger form): [...]
Could you explain how you are arriving at your estimate of Obama 2 party vote for those of us who can’t find it on HuffPost.
How would your estimate differ from Nate Silver at the New York Times?
[...] Simon Jackman recently posted a very interesting graph of Obama 2008 v. 2012. [...]
I’ll be posting a series of explanations of the modeling in the weeks to come at the Pollster section of HuffPost.
Why wouldn’t you compare average poll data from 2008 in september to today’s poll data, unless you use just the polls of registered voters can you really compare polls
of which many are not completely of registered voters to actual votes?