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.
Self-reported skill levels—no previous experience (New), beginner (Beg.), intermediate (Int.), and advanced (Adv.)—for all user study participants
| Subject | New | Beg. | Int. | Adv. |
|---|---|---|---|---|
| Python | 0 | 3 | 8 | 4 |
| Machine learning | 5 | 1 | 4 | 5 |
| Info. extraction | 2 | 6 | 5 | 2 |
| Text mining | 3 | 6 | 4 | 2 |
