This page will offer you resources for accessing open data and data sets. Data can be useful for a variety of computer science purposes, but especially for machine learning. The page below is organized by the source of the data, namely general, government, and academic sources. Use this page as a starting point for accessing various types of data or see the Library's Data & Statistics Research Guide.
Reminder: Visit the Intellectual Property page of this guide to learn more about open licenses and usage rights for data. Make sure your data is open before use.
A great place to start if looking for subject-specific data. Provides links to open data repositories sorted by subject area.
Large open data repositories that contain data from all subject disciplines. Both more heavily used than the subject-specific repositories and may provide results.