Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Statistics of five datasets.
| Datasets | Users | Items | Samples |
|---|---|---|---|
| Digital music | 5541 | 3568 | 64,706 |
| Baby | 19,445 | 7050 | 160,792 |
| Office products | 4905 | 2420 | 53,258 |
| Beauty | 22,363 | 12,101 | 198,502 |
| Yelp | 1,144,046 | 174,013 | 5,000,000 |
| Average | 239,260 | 39,830 | 1,095,452 |
