California Contributors plots In this exercise, I plot the amounts raised in terms of political contributions by the top 10 candidates within their respective top 10 cities in California. The data used was from the year 2016. Join dataframes # Make sure you use vroom() as it is significantly faster …

Rents in San Francisco 2000-2018 In this case, we have a clean(ish) dataset with about 200K rows that corresponds to Craigslist listings for renting properties in the greater SF area. The data dictionary is as follows variable class description post_id character Unique ID date double date year …

Share of renewable energy production in the world n this example, I examine data from the The National Bureau of Economic Research (NBER) on energy production in more than 150 countries since 1800. The following is a description of the variables variable class description variable character Variable …