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Using materials of radar mapping from spacecrafts as a way to increase reliability, as well as to reduce the cost and time of site selection for extended linear construction projects
World Journal of Civil Engineering and Architecture
| Vol 3, Issue 1
Table 3. Results of mathematicalanalysis of the compared topographic models.
| Parameter | Topographic survey | ALOS AW3D | SRTM | ASTER GDEM |
| Mean | 157.96 | 156.62 | 156.14 | 157.40 |
| Variance | 1,397.54 | 1,406.24 | 1,401.24 | 1,445.96 |
| Mean error | 0.51 | 0.51 | 0.51 | 0.52 |
| Thickest value | 134.00 | 130.00 | 147.00 | 139.00 |
| Standard deviate | 37.38 | 37.50 | 37.50 | 38.03 |
| Kurtosis | -0.61 | -0.59 | -0.60 | -0.57 |
| Skewness | 0.15 | 0.15 | 0.14 | 0.13 |