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.
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.
Continue reading “Visualizing International Trade of Food Products”
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.
Continue reading “On the Analysis and Prediction of Recessions in the USA”
Recently, I have been experimenting with windowing functions for time series data. While trying out my code, I came up with a nice and (somewhat) thought-provoking plot.
Continue reading “Real S&P Composite Moving Average”
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.
Continue reading “A Brief Analysis of Survey Data from a Speed Dating Event”
There is a dataset on Kaggle that contains questions taken from Stack Overflow about the Python programming language. This post briefly explores portions of the dataset.
Continue reading “A Look at Stack Overflow Questions about Python”
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.
Continue reading “Mortality in the United States and Its Causes”