Over 17,000 data sets are cataloged in Quicksearch.
To find them, use the Advanced Search option in Books+, set Format to Software & Datasets, and then search by keyword.
This is not an exhaustive list of Yale University Library's licensed data sources, only the ones that have to do with business, economics, and the environment. For a more comprehensive list of available licensed data sources, visit the Databases search interface in Quicksearch, and search for "data."