UCI machine learning

The UCI maintains 413 datasets, as of 1/10/2018, for machine learning: http://archive.ics.uci.edu/ml/index.php. The following screenshot shows the top three downloaded datasets:

For the number one downloaded dataset called Iris, we have the following information:

The beauty of these datasets is that they give quite detailed information such as the source, the creator or donator, a description, and even citations.

The following table shows several potential public data sources for users in the area of data science and business analytics:

Name	Web page	Data types
UCI	http://archive.ics.uci.edu/ml/index.php	Data for machine learning
World Health Organization	http://www.who.int/en/	Healthcare data
Amazon Web Services	https://aws.amazon.com/cn/datasets/?nc1=h_ls	Web usage
Data.gov (US Government Open Data)	https://www.data...