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Nate Silver reveals who he'll vote for in the US election (www.newsweek.com)

submitted 1 month ago by [email protected] to c/[email protected]

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I am not very interested who Nate Silver will vote for; I am not very enthusiastic about Newsweek's choice of title. I think that's probably by far the least-worthwhile piece of information in the article.

But what I do think is interesting is that he's got an assessment of the impact of the presidential debate up:

He also discussed the candidates' win probabilities following their debate on Tuesday: "Before the debate, it had been like Trump 54, Harris 46. These are not vote shares. These are win probabilities. And after, it's 50-50," Silver said.

"She, right now, is at 49 percent of the vote in polls," Silver said on the podcast. "To win, she has to get to 51 percent—51 because she has a disadvantage in all likelihood in the Electoral College."

Despite having previously shown Trump as surging in the polls, Silver's model now has him neck and neck with Harris.

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[–] [email protected] 1 points 1 month ago (1 children)

Yeah it's true. Though with weather its more egregious, we have a huge dataset to test weather predictions vs weather results against, to test the accuracy of models.

Our ability to test election forecasting percentages is limited to a dataset too small and too different year-to-year to call it tested. So, it really is much less grounded in empirical reality than weather forecasting. It's mathematical voodoo, in my eyes closer to numerology than science.

[–] [email protected] 2 points 1 month ago

Though with weather its more egregious, we have a huge dataset to test weather predictions vs weather results against, to test the accuracy of models.

You're right - and the predictions are quite accurate for 24-48 hours out. The thing is - if you say "there is a 90% chance of rain" then you would expect that 1 out of 10 times it would rain. If it rains all 10 times then your probability estimate was wrong (it was 100% chance of rain). At least over a large sample set.

Nate actually goes into this quite a bit in his book The Signal and the Noise.