Research Article
The Importance of the Model Choice for Experimental Semivariogram Modeling and Its Consequence in Evaluation Process
Table 2
Comparison between kriging results and true values.
| Point_id |
point_z | Surfer interpolation |
Geostatistical analyst interpolation | KA interpolaton | Point_z | Delta | Delta∧2 | Point_z | Delta | Delta∧2 | Point_z | Delta | Delta∧2 |
| 162 | 271.43 | 271.82 | 0.39 | 0.15 | 271.36 | −0.07 | 0.01 | 271.58 | 0.15 | 0.02 | 193 | 146.55 | 147.29 | 0.74 | 0.54 | 147.32 | 0.77 | 0.59 | 147.29 | 0.74 | 0.55 | 329 | 214.69 | 214.77 | 0.08 | 0.01 | 214.80 | 0.11 | 0.01 | 214.75 | 0.06 | 0.00 | 411 | 188.64 | 188.24 | −0.40 | 0.16 | 188.36 | −0.29 | 0.08 | 188.32 | −0.32 | 0.10 | 616 | 181.56 | 181.63 | 0.07 | 0.00 | 181.48 | −0.08 | 0.01 | 181.55 | −0.01 | 0.00 | 645 | 207.62 | 207.59 | −0.03 | 0.00 | 207.61 | −0.01 | 0.00 | 207.62 | 0.00 | 0.00 | 679 | 287.69 | 287.84 | 0.14 | 0.02 | 287.34 | −0.35 | 0.12 | 287.68 | −0.01 | 0.00 | 877 | 184.05 | 183.76 | −0.28 | 0.08 | 183.83 | −0.22 | 0.05 | 183.80 | −0.25 | 0.06 | 917 | 155.31 | 155.06 | −0.25 | 0.06 | 155.27 | −0.04 | 0.00 | 155.17 | −0.15 | 0.02 | 1272 | 183.97 | 183.43 | −0.54 | 0.29 | 183.84 | −0.13 | 0.02 | 183.64 | −0.33 | 0.11 | 1309 | 243.56 | 243.39 | −0.17 | 0.03 | 243.70 | 0.14 | 0.02 | 243.54 | −0.02 | 0.00 | 1398 | 172.85 | 172.56 | −0.29 | 0.09 | 172.87 | 0.02 | 0.00 | 172.72 | −0.14 | 0.02 | 1422 | 210.67 | 211.08 | 0.41 | 0.16 | 211.19 | 0.52 | 0.27 | 211.14 | 0.46 | 0.21 | 1722 | 278.81 | 278.57 | −0.24 | 0.06 | 278.61 | −0.20 | 0.04 | 278.59 | −0.22 | 0.05 | 1733 | 236.76 | 236.81 | 0.05 | 0.00 | 236.66 | −0.10 | 0.01 | 236.73 | −0.02 | 0.00 | 1844 | 206.62 | 206.43 | −0.18 | 0.03 | 206.59 | −0.03 | 0.00 | 206.51 | −0.11 | 0.01 | 1935 | 274.15 | 273.53 | −0.62 | 0.39 | 273.87 | −0.28 | 0.08 | 274.12 | −0.03 | 0.00 | 1960 | 201.38 | 201.10 | −0.28 | 0.08 | 201.22 | −0.16 | 0.02 | 201.16 | −0.22 | 0.05 | 2075 | 177.02 | 176.67 | −0.35 | 0.12 | 177.12 | 0.10 | 0.01 | 176.89 | −0.13 | 0.02 | 2169 | 211.48 | 210.92 | −0.56 | 0.31 | 211.27 | −0.21 | 0.04 | 211.45 | −0.03 | 0.00 | 2261 | 223.21 | 223.28 | 0.07 | 0.00 | 223.42 | 0.20 | 0.04 | 223.35 | 0.14 | 0.02 | 2428 | 204.57 | 205.09 | 0.52 | 0.27 | 204.65 | 0.08 | 0.01 | 204.87 | 0.30 | 0.09 | 2499 | 236.47 | 235.82 | −0.65 | 0.43 | 236.14 | −0.33 | 0.11 | 236.45 | −0.02 | 0.00 | 2508 | 258.17 | 257.89 | −0.28 | 0.08 | 257.94 | −0.23 | 0.05 | 257.92 | −0.25 | 0.06 | 2598 | 183.74 | 183.26 | −0.48 | 0.23 | 183.80 | 0.06 | 0.00 | 183.53 | −0.21 | 0.05 | | | SUM | −3.15 | 3.60 | SUM | −0.71 | 1.59 | SUM | −0.62 | 1.45 |
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