Statistics of LDW record data characteristics
| Variable | Maximum | Minimum | Average | SD |
|---|---|---|---|---|
| Vehicle speed (km/h) | 109 | 30 | 70.26 | 19.69 |
| Warning hour | 23 | 0 | 13.04 | 4.96 |
| Duration time (s) | 5 | 1 | 3.44 | 1.17 |
| Variable | Type | Frequency | ||
| Road type | 1 (urban road) | 29446 | ||
| 2 (highway) | 13775 | |||
| Driver age group | 1 (young) | 16250 | ||
| 2 (mid-aged) | 20635 | |||
| 3 (elder) | 6336 | |||
| Weather | 1 (good weather) | 31088 | ||
| 2 (bad weather) | 12133 | |||
| Driver reaction | 0 (no response) | 26428 | ||
| 1 (response) | 16793 | |||
| Maximum | Minimum | Average | SD | |
|---|---|---|---|---|
| 109 | 30 | 70.26 | 19.69 | |
| 23 | 0 | 13.04 | 4.96 | |
| 5 | 1 | 3.44 | 1.17 | |
| Type | Frequency | |||
| 1 (urban road) | 29446 | |||
| 2 (highway) | 13775 | |||
| 1 (young) | 16250 | |||
| 2 (mid-aged) | 20635 | |||
| 3 (elder) | 6336 | |||
| 1 (good weather) | 31088 | |||
| 2 (bad weather) | 12133 | |||
| 0 (no response) | 26428 | |||
| 1 (response) | 16793 | |||
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