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How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

nytimes.com

61–70 of 114 posts

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#61

Earlier quoted context omitted.

His dog won pretty handily in the last election, though. It's not an exact science, but his methodology seemed to eliminate a fair amount of doubt from the equation.

I think it will be really interesting to see what happens in election forecasting if Trump wins this election -- doubly so if there's no major scandal for Clinton between now and election day.

What happens with election forecasting will be the least of our collective problems.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#62
post #43

Earlier quoted context omitted.

You just criticized somebody for specialising in what they're talking about. Next you're going to tell me Hawking's biased about physics theories because he knows them and that's somehow a bad thing.

No, but if Hawking tells me that there are two theories, "a" and "b," that compete to explain a given phenomenon, and "a" is right and "b" is wrong, and "a" is a theory that Hawking himself came up with, then I'll note that. Even if, as in this case, I think that despite the bias, Silver is right.

I think this can lead to the Wikipedia fallacy. If you reduce the credibility of information when you can perceive a means whereby the information could be compromised, you end up placing undue weight upon non-transparent information sources.

People don't trust Wikipedia because anyone could have written it yet place more trust in books that may just have a veneer of authenticity.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#63
post #51
post #39

Earlier quoted context omitted.

Nate Tin did eventually publish a post [0] outlining that his way off predictions (sub 2% at one point) [1] of the R. primaries were terribly affected by his bias. That was honourable of him to admit. Presumably he is trying to eliminate that bias going forward for the main event. [0] http://fivethirtyeight.com/features/how-i-acted-like-a-pundi... [1] https://i.sli.mg/hF2vOz.jpg

His name is Nate Silver. Don't be obnoxious. 538 didn't fail to read data properly re Trump's nomination. Trump was a new phenomenon with no history to build a model from. 538's mistake was guessing instead of admitting they had insufficient data -- which is bad behavior, but not because their preferred methodology is bad.

Bull. Their polling based model performed okay (although, at least through Super Tuesday when I looked at it, his polls-plus model didn't outperform his polls-only model, and neither significantly outperformed the RCP weighted average of polls). What failed during the primaries was Nate's "Party Decides" punditry.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#64

Regarding the Times ' decision to run this article, I wonder how much of it was based upon "hey, polling is kind of goofy" and how much of was "look! Here's another way we can show that Trump isn't really resonating with voters!".

It is not permitted to entertain such thoughts. Please seek the nearest Correct Thought Unit for urgent help.

Please don't comment like this on Hacker News.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#65

Nate Silver at 538 talks about the whole dissecting polls deal, or "unskewing" them. All polls must make methodological choices, and all of those choices have advantages and disadvantages. Spending a lot of time trying to dissect those choices and passing judgment on them is not as productive as: 1. Looking at aggregates of lots of polls. 2. Looking at the variance that a poll captures from one iteration of it to ano…

His dog won pretty handily in the last election, though. It's not an exact science, but his methodology seemed to eliminate a fair amount of doubt from the equation.

That wasn't the feat people make it out to be. In US elections there are only a handful of states that could go either way.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#66
post #60
post #48

Side rant: what the heck did they implement on NYtimes.com ?! When I quickly click the text (which I compulsively do to select a paragraph etc.), it changes the font size (sigh)

Ugh, what were they thinking? I can't even imagine what this feature would be for!

I think it's some sort of idiotic tap-to-zoom, like for mobile/touch browsers? Since browser zooming is hit and miss, they probably thought they were oh-so-clever. As Raymond Chen says, someone probably got a raise for this.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#67
post #42

Earlier quoted context omitted.

I don't know if you've followed polling closely, but this particular poll (LAT/USC) is outside the envelope and it has attracted considerable attention because of this. See the lead sentence in: http://www.latimes.com/politics/la-na-pol-poll-faq-20161006-... . Anyway, the story turns out to be a great example about survey design tradeoffs.

Oh, I'm certainly not disputing the NYT article itself. But as with all political coverage this year, I'm highly suspect of timing and motivation. This post had an additional benefit: I've been able to observed the votes for my comments go up and down like a roller coaster for the past hour, as the readers of HN apply their own biases. Rather interesting, especially as the number of actual responses is relatively sma…

Trump had a really bad couple of weeks and all the polls showed a big Clinton lead except this one. It just tipped over. The timing seems perfectly reasonable.

As for the motivation, as a purveyor of facts I have to imagine that the NYT is frustrated at Trump's complete disregard for them, and his disregard of polling is a big part of that.

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#68

Regarding the Times ' decision to run this article, I wonder how much of it was based upon "hey, polling is kind of goofy" and how much of was "look! Here's another way we can show that Trump isn't really resonating with voters!".

I'm Canadian, but if I were in the US I would be voting for Hillary. That said, I actually agree with you. I think most members of the media are understandably anti-Trump, but that bias is definitely coming through in the reporting. In my opinion, that does their cause a disservice. Simply factually reporting on both candidates should be sufficiently anti-Trump given his many transgressions. But when you regularly see blown-up stories like the kicking a mother and baby out of a rally, told in a clearly biased manner, it leads people on the fence to discount everything the media says about Trump, which results in him getting away with far more blatant lying that he otherwise might.

There's nothing at all wrong with this article in a vacuum, but there does appear to be a bias in article selection. (Although I suppose that some of that must also be simply because 'Trump' sells newspapers (or clicks or what have you.))

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#69

Nate Silver at 538 talks about the whole dissecting polls deal, or "unskewing" them. All polls must make methodological choices, and all of those choices have advantages and disadvantages. Spending a lot of time trying to dissect those choices and passing judgment on them is not as productive as: 1. Looking at aggregates of lots of polls. 2. Looking at the variance that a poll captures from one iteration of it to ano…

The Princeton Election Consortium's model [1] has a better track record than 538. This year, it has been much less volatile than Silver's. It only measures state polls, and does so in a very transparent way.

[1] http://election.princeton.edu

Re: How One 19-Year-Old Illinois Man Is Distorting National Polling Averages

#70
post #63
post #51

Earlier quoted context omitted.

His name is Nate Silver. Don't be obnoxious. 538 didn't fail to read data properly re Trump's nomination. Trump was a new phenomenon with no history to build a model from. 538's mistake was guessing instead of admitting they had insufficient data -- which is bad behavior, but not because their preferred methodology is bad.

Bull. Their polling based model performed okay (although, at least through Super Tuesday when I looked at it, his polls-plus model didn't outperform his polls-only model, and neither significantly outperformed the RCP weighted average of polls). What failed during the primaries was Nate's "Party Decides" punditry.

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