最后用交叉验证法对估值结果进行了检验，证明建立的指示变异函数模型合理且估值效果较好。

Eventually, after checking the parameters of the structural model , it is found that the constructed indicator variogram models are reasonable and the estimated values are effective.

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结果表明，通过利用原始样本和留一交叉验证法对预测模型进行验证，准确率分别为90 %和86.7 %。

The results showed that the accuracy rates were 90 % and 86.7 % respectively by using the original sample and the remaining one cross-validation.

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结果表明，通过利用原始样本和留一交叉验证法对预测模型进行验证，准确率分别为90 %和86.7 %。

The results showed that the accuracy rates were 90 % and 86.7 % respectively by using the original sample and the remaining one cross-validation.

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