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_zSurfer interpolation Geostatistical analyst interpolationKA interpolaton
Point_zDeltaDelta2Point_zDeltaDelta2Point_zDeltaDelta2

162271.43271.820.390.15271.36−0.070.01271.580.150.02
193146.55147.290.740.54147.320.770.59147.290.740.55
329214.69214.770.080.01214.800.110.01214.750.060.00
411188.64188.24−0.400.16188.36−0.290.08188.32−0.320.10
616181.56181.630.070.00181.48−0.080.01181.55−0.010.00
645207.62207.59−0.030.00207.61−0.010.00207.620.000.00
679287.69287.840.140.02287.34−0.350.12287.68−0.010.00
877184.05183.76−0.280.08183.83−0.220.05183.80−0.250.06
917155.31155.06−0.250.06155.27−0.040.00155.17−0.150.02
1272183.97183.43−0.540.29183.84−0.130.02183.64−0.330.11
1309243.56243.39−0.170.03243.700.140.02243.54−0.020.00
1398172.85172.56−0.290.09172.870.020.00172.72−0.140.02
1422210.67211.080.410.16211.190.520.27211.140.460.21
1722278.81278.57−0.240.06278.61−0.200.04278.59−0.220.05
1733236.76236.810.050.00236.66−0.100.01236.73−0.020.00
1844206.62206.43−0.180.03206.59−0.030.00206.51−0.110.01
1935274.15273.53−0.620.39273.87−0.280.08274.12−0.030.00
1960201.38201.10−0.280.08201.22−0.160.02201.16−0.220.05
2075177.02176.67−0.350.12177.120.100.01176.89−0.130.02
2169211.48210.92−0.560.31211.27−0.210.04211.45−0.030.00
2261223.21223.280.070.00223.420.200.04223.350.140.02
2428204.57205.090.520.27204.650.080.01204.870.300.09
2499236.47235.82−0.650.43236.14−0.330.11236.45−0.020.00
2508258.17257.89−0.280.08257.94−0.230.05257.92−0.250.06
2598183.74183.26−0.480.23183.800.060.00183.53−0.210.05
SUM3.153.60SUM−0.711.59SUM0.621.45