Politics and Social Movements

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Indiana Prediction

My latest Indiana prediction for the Democratic Nomination is Sanders 52.6 %, Clinton 47.4 %.

Sanders is doing very well in the search trend.

The model includes the polling data, FB likes, Google search trends, past election results, and demographics (race, income, sex, age, education).

Other Models
Tyler Pendigo - Sanders 52.6 / Clinton 47.4
Benchmark Politics - Clinton 51.4 / Sanders 48.2 (Other: 0.4%) - so rebalanced - it is Clinton 51.6 / Sanders 48.4
Pollster Average - Clinton 54.1 / Sanders 45.9

PredictIt - Clinton 72% chance of winning.

Early Projections: West Virginia, Kentucky, and Oregon

Early projections for upcoming primaries. Later projections are likely to be more accurate as they can incorporate polling data. I'm not using polling data at this time.

Indiana: Sanders: 50.3 / Clinton 49.7. Sanders search trend is strong, probably due to advertising.

Kentucky: Clinton 57.0 / Sanders 43.0. Sanders is down 1% from my last projection.

Oregon: Sanders 62.2 / Clinton 38.8. Sanders is down 8% from my projection a month ago. It includes the start of the Sanders big rally in Oregon (and the Google Search trend boost).

Early Indiana Projection

My early model for Indiana is projecting: Sanders 50.6 / Clinton 49.4

This is Sanders down 2.8% from the previous 53.4% projection. It also is in disagreement with the polls, 538, and PredictIt - who all say Clinton will win.

My latest Democratic Nomination Predictions

I added a PredictIt variable to the model. I use the PredictIt close price for Clinton (percent chance of winning) the day before the election. Then I convert it into standard deviations (which makes it linearly correlated with the predicted percentage). Turns out it is a fairly minor factor, except for caucuses.

I also updated my poll numbers and 7 day search trend data.

Take this with a huge grain of salt. Hopefully my real-time county swing model will do better.

Predicting the NY Democratic Primary

My county model (or more accurately one of the models - as the situation is more of a continuum) of primary only states came up with a prediction of Clinton 62.0 / Sanders 38.0 for NY.

That said, the main goal was to predict county values that would let me use my real-time county swing analyzer to predict the state swing.

Democratic Primary - State Model and Data Release

I decided to create a state level model for predicting the 2016 Democratic nomination race.

So I've aggregated my county level data into state level variables. I also added election results for WY (actual votes - from http://www.crowdsourcingdemocracy.org), KS, and AK (state delegates).

Note the election results for WA are legislative district delegates, and for ME they are state delegates - not popular vote.

My various state models give different results for NY. I've got Sanders at anywhere from 33% to 46%.


Predicting NY 2016 Democratic Primary

I think that given the number of polls, it is likely that a purely polling based forecast will prove the most accurate for NY.

Currently Pollster has it at 56.2% Clinton / 43.8% Sanders.

My demographics models are significantly more pro-Clinton, with Clinton being at around 66%. It is possible that the truth will like somewhere in between in which case we could see a 60/40 split.

2016 Democratic Nomination - Data Release

If you want to make your own county-level model for the 2016 Democratic nomination race, you can use my data set.

Download the Data Set

I would LOVE to hear from anyone who is using this. What does your model look like? What variables are you including? What are your predictions? What additional factors are you adding to the model that I don't have?

WY Caucus prediction

Using my county-level model and a caucus model (excludes the primaries), which has a much smaller standard error than when I combine primaries with caucuses - I am predicting WY - Sanders: 70.5% / Clinton 29.5% (of the Clinton + Sanders vote).

I am hoping that this will be within 2-3 percent of the final result, but no guarantees. My WI forecast was off by 5.85%.

This is based on race, income, age, sex, old FB like data (could be an issue), education, density, and past election results. It also includes Google Search trends for the last 7 days (the latest 7 days possible).

Wisconsin Democratic Primary Prediction - 2016

I've been updating my county-level model to predict the outcome of the democratic primary.

I recently added a Google search trend variable that uses the last seven days before the election (but not including the actual election date) and is equal to Sanders / (Sanders + Clinton). While Sanders dominates the search engine trends (typically 2:1), there is a strong positive correlation between the percent of searches that he gets and the outcome. As of this past hour, Sanders is getting 73% of the searches in Wisconsin - which is a strong showing.

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