Polly's final forecast: Obama 53.0% vs. McCain 47.0% After her success in predicting the 2004 Election, Polly once again proved the value of combining forecasts. From the beginning (August 30, 2007), Polly never strayed from the Democratic candidate. By aggregating forecasts from traditional polls, a panel of American politics experts, a prediction market and 16 quantitative models, Polly provided a daily updated forecast of the Republican two-party vote.
The PollyGraph below shows how the Pollyvote forecast has developed over time (click here for more graphs and here for the data)
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