In Part 1 of this tutorial, we learned how to use ggplot2’s geom_polygon function to create a map illustrating the ratification status of the 1966 International Convention on the Elimination of All Forms of Racial Discrimination (ICERD). In Part 2 of this tutorial, I will explain how to use the […]
Tutorials
Working with geographical data is not easy. But learning how to create choropleth maps is an important skill. In this tutorial, we will learn how to create maps in R with the ggplot2 package. The ggplot2 package is informed by Leland Wilkinson’s grammar of graphics. To get familiarized with this […]
The Federal Reserve Bank of St. Louis hosts one of the most expansive depositories of economic data in the United States (US). The Federal Reserve Economic Data, better known as FRED, includes “hundreds of thousands of economic data timeseries from scores of national, international, public and private sources”. There are […]
The World Bank’s DataBank currently hosts over 80 databases that include “time series data on a multitude of topics for many countries around the world.” The World Development Indicators (WDI) database is probably the DataBank’s most popular, and a crucial resource for policy experts and academics. There are multiple ways […]
Should students and researchers interested in data science use R, the free software environment for statistical analysis and plotting? The simple answer is no. There are many open-source alternatives to R, such as Python. Many people also use other spreadsheet applications such as Microsoft Excel, Google’s Sheets, or Apple’s Numbers […]