Research Article
Evaluation of Different Soil Salinity Mapping Using Remote Sensing Techniques in Arid Ecosystems, Saudi Arabia
Table 3
Evaluation of different interpolation kernels function.
| ā | Kernel function | ā | Exponential | Gaussian | Quartic | Epanechnikov | Polynomial-5 | Constant |
| Regression function | | | | | | | Mean | 1383 | 1421 | 1378 | 1412 | 1355 | 1428 | Root mean square | 4251 | 4257 | 4250 | 4257 | 4253 | 4266 | Mean standardized | 0.0065 | 0.0067 | 0.0065 | 0.0066 | 0.0064 | 0.0067 | Root mean square standardized | 0.0201 | 0.0201 | 0.0202 | 0.0201 | 0.0202 | 0.0200 | Average standard error | 211114 | 211797 | 210334 | 211526 | 209641 | 212674 |
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