|
| Proxy variable | Ranking criteria |
| Rank | Description |
|
| Number of public offices [4, 20, 25] | 1 | There are less than 5 public offices |
| 2 | There are 5–10 public offices |
| 3 | There are 10–15 public offices |
| 4 | There are 15–20 public offices |
| 5 | There are over 20 public offices |
|
| Road area ratio [20, 25] | 1 | Road area is less than 5% |
| 2 | Road area is between 5 and 10% |
| 3 | Road area is between 10 and 15% |
| 4 | Road area is between 15 and 20% |
| 5 | Road area is over 20% |
|
| Number of electronic supply facilities [11, 20, 25] | 1 | Less than 2 electronic supply facilities |
| 2 | There are 2–4 electronic supply facilities |
| 3 | There are 4–6 electronic supply facilities |
| 4 | There are 6–8 electronic supply facilities |
| 5 | There are over 8 electronic supply facilities |
|
| School area ratio [20] | 1 | School area is less than 5% |
| 2 | School area is between 5 and 10% |
| 3 | School area is between 10 and 15% |
| 4 | School area is between 15 and 20% |
| 5 | School area is over 20% |
|
| Commercial and industrial area ratio [4, 20] | 1 | Commercial and industrial area is less than 0.5% |
| 2 | Commercial and industrial area is between 0.5–1% |
| 3 | Commercial and industrial area is between 1 and 2% |
| 4 | Commercial and industrial area is between 2 and 3% |
| 5 | Commercial and industrial area is over 3% |
|
