Sunrise and Sunset Times by City

The follow plots show the amount of daylight, sunrise time, and sunset time for four US cities throughout the year of 2019.

Figure 1: Hours of Daylight, Sunrise Time, and Sunset Time by City

The rise and set times are shown in local time without adjustment for daylight saving times (DST). Data obtained from the U.S. Naval Observatory Astronomical Applications Department.

Visualizing International Trade of Food Products

With the rise of globalization, countries increasingly trade food products internationally. Acting in their own economic interests, countries buy and sell food where profitable, much like any other product. Import and export records provide a fascinating window into this complex world of international food trade.

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On the Analysis and Prediction of Recessions in the USA

This chapter explores recessions in the United States of America. Datasets are collected from a variety of locations including the Federal Reserve Economic Data (FRED) and from the website of Yale professor and Nobel laureate Dr. Robert J. Shiller. A classifier model is constructed which predicts recessions and this model is analyzed for useful insights.

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A Brief Analysis of Survey Data from a Speed Dating Event

In this post, survey data collected from several speed dating events is analyzed. The events were conducted between 2002 and 2004 by two professors from Columbia University: Ray Fisman and Sheena Iyengar. In addition to questions about personal interests, the survey includes academic and occupational questions as well.

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Mortality in the United States and Its Causes

In this chapter, vital statistics for the United States of America are explored. The Center for Disease Control maintains several datasets containing vital statistics for the nation. These datasets contain records of deaths organized by year. Each record includes age, gender, race, cause of death, and other details. This chapter explores data for the year 2016.

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