Understanding the role emotions play in social interactions has been a central research
question in the social sciences. However, the challenge of obtaining large-scale data on
human emotions has left the most fundamental questions on emotions less explored: How
do emotions vary across individuals, evolve over time, and are connected to social ties? We
address these questions using a large-scale dataset of users that contains both their
emotions and social ties. Using this dataset, we identify patterns of human emotions on five …