emailyr // when r first began using email| 数据集 | gss2022 · General Social Survey 2022 |
| 类型 | categorical |
| 角色 | |
| 数据文件 | |
| 关键词 |
| 编码 | 含义 |
|---|---|
1 | this year (2002) |
2 | in the last year (2001) |
3 | 1-2 years ago (2000) |
4 | 2-3 years ago (1999) |
5 | 3-4 years ago (1998) |
6 | 4-5 years ago (1997) |
7 | 5 or more years ago (1990-1996) |