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.
Example of an unweighted term-document matrix (TDM) with outcomes
| Features | Outcome | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| documentID | service | a | bad | doctor | great | kind | satisfied | service | unhappy | Class |
| 1 | 001312 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 2 | 001345 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 3 | 001312 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |
| . | ||||||||||
| . | ||||||||||
| . | ||||||||||
| 699 | 001345 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
