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 …