结果：所建的5个模型对验证集样品水分含量的预测值与实测值的相关系数均在0.90以上，预测误差均方根（RMSEP）均在0.05以下。

Result:The coefficients of correlation of inner cross validation and external validation are both above 0.90, and the RMSECV and RMSEP are both below 0.05.

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对测试数据的预测结果表明，该预测系统能够可靠工作，预测结果的均方根误差在15%左右。

The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

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选择最优参数的过程即是对以均方根误差最小为目标的整数规划问题的求解过程。

The process of which is to solve the integer programming problem with the objective function that RMSE is minimal.

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