We will post datasets here that have been modified for classroom use, starting with the Happiness Report data.
Happiness Report by year – the by year files give a separate csv for each year, with data for all of the countries surveyed that year. Here is a snapshot:
As you can see, not all values were surveyed in all countries every year.
Happiness Report by Country – the by country files give a separate csv file for each country, with data for each year each country was surveyed. Here is a snapshot: