Big data from machine-learning sites Records from a YouTube experiment to compare comedy videos

Curated research and teaching data

FiveThirtyEight Blog The Five-Thirty-Eight news organization maintains remarkably well documented and accessible data sets on a variety of topics.

Locke5 Datasets Data sets to go along with the Locke5 simulation-based textbook

Sesame Street Does Sesame Street help economically disadvantaged children

Soil Moisture An example from the Awsome Public Datasets list