References
Associated Press. 2017. "Asian American groups file racial quotas complaint against Harvard University." The Guardian, News, Education, July 14, 2017. Accessed 9/15/2017.
Brownstein, Ronald. 2015. "The Billionaire Candidate and His Blue-Collar Following." The Atlantic, Politics & Policy, September 11, 2015. Accessed 9/29/2017.
Byler, David. 2017. "How Trump Picked the Democratic Lock and Won the Presidency." RealClearPolitics, April 12, 2017. Accessed 9/29/2017.
Carnes, Nicholas and Noam Lupu. 2017. "It's time to bust the myth: Most Trump voters were not working class." The Washington Post, Monkey Cage, June 5, 2017. Accessed 9/29/2017.
Collingwood, Loren. 2016. " The county-by-county data on Trump voters shows why he won." The Washington Post, Monkey Cage, November 19, 2016. Accessed 9/15/2017.
Enten, Harry. 2017. " Maybe Trump Didn't Remake The Political Map." FiveThirtyEight, Politics, June 29, 2017. Accessed 9/15/2017.
Frizell, Sam. 2016. "Why Hillary Clinton Is Buying Ads in Red-State Arizona." Time, Politics, September 1, 2016. Accessed 9/15/2017.
Frost, Jim. 2017. " Overfitting Regression Models: Problems, Detection, and Avoidance." Statistics By Jim, Regression, May 26, 2017. Accessed 1/2/2018.
Jackson, David. 2017. "Trump promises to build border wall in his first term." USA Today. April 26, 2017. Accessed 11/8/2017.
Kamenetz, Anya. 2015. " 5 Ideas To Ease The Burden Of Student Loans." NPR, Higher Ed, June 26, 2015. Accessed 11/9/2017.
Lim, Naomi. 2016. " Clinton to make a campaign stop in Arizona next week." CNN, Politics, October 28, 2016. Accessed 9/15/2017.
Martin, Jonathan and Alexander Burns. 2017. " Republican Shadow Campaign for 2020 Takes Shape as Trump Doubts Grow." The New York Times, Politics, August 5, 2017. Accessed 9/29/2017.
Murray, Sara and Dan Merica, 2017. " Trump backs plan that would curb legal immigration." CNN, Politics, August 2, 2017. Accessed 9/15/2017.
Nolter, Chris. 2016. "TV Political Ad Spending Will Break Records in 2016, and These Broadcasters Will Cash In." TheStreet, June 8, 2016. Accessed 11/9/2017.
Raju, Manu, Dylan Byers and Dana Bash. 2017. "Exclusive: Russian-linked Facebook ads targeted Michigan and Wisconsin." CNN, Politics, October 4, 2017. Accessed 10/4/2017.
Roarty, Alex. 2017. "Democrats see chance to win back working class whites." McClatchy DC Bureau, Congress, August 1, 2017. Accessed 9/29/2017.
Seitz-Wald, Alex. 2017. "Everyone's Running for President in 2020." NBC News, Politics, August 28, 2017. Accessed 9/29/2017.
Tankersley, Jim. 2017. " Republicans Consider Sharp Cut in 401(k) Contribution Limits." The New York Times, Politics, October 20, 2017. Accessed 2/5/2018.
Photo attribution
Polling place | Flickr by eden, Janine and Jim. CC BY 2.0 Photo, cropped. |
Data attribution
2012 and 2016 US Presidential election vote totals by county | Obtained from The Guardian and townhall.com via GitHub. Accessed 4/13/2017 and 6/5/2017 |
2013 gun ownership rates in each US state | Kalesan, Bindu, et. al. 2015. "Gun ownership and social gun culture." injuryprevention.bmj.com, June 29, 2015. Accessed 4/10/2017 |
2016 Socioeconomic variables | Esri Demographics. Accessed 6/16/2017 |
Geographic features | ArcGIS Living Atlas of the World. Accessed 6/16/2017 |
Summary of tools
This case study demonstrates a number of analytical methods that can be adapted to many different application areas, allowing you to answer a variety of questions.
| Method | Generic Question | Examples |
|---|---|---|
Which features have the characteristics I'm interested in? | Where is the best location for a shipping distribution center, fire station, or retirement community? Which districts have more than 50,000 people and median annual incomes larger than $50,000? | |
Which combination of explanatory variables best predicts what I'm interested in? | What are the key variables that explain the variation in literacy rates across Africa? Which combination of variables best explains the increase in voter turnout between elections? | |
Where is each explanatory variable a strong (or weak) predictor of what I'm interested in? | Where are the average loan grade rankings an effective predictor of average interest rates and where are they not effective? Where are teacher-to-student ratios a good predictor of test score results? | |
Which explanatory variables are effective predictors of what I'm interested in? | Are average loan grade rankings an effective predictor of average interest rates? What are the key variables that explain high forest fire frequency? |
In addition, working through the tutorial, you used data manipulation and management tools such as Add Field, Calculate Field, and Copy Features.